Home / 788,663.70-1,182,995.55-490,065.30

Finding the Fourth Proportional to 788,663.70, 1,182,995.55 and 490,065.30

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Solution

The fourth proportional to 788,663.70, 1,182,995.55 and 490,065.30 is: 735,097.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,663.70 : 1,182,995.55 = 490,065.30 : x
  2. Step 2: Convert to fraction form
    788,663.70/1,182,995.55 = 490,065.30/x
  3. Step 3: Cross multiply
    788,663.70x = 1,182,995.55 × 490,065.30
  4. Step 4: Simplify right side
    788,663.70x = 579,745,069,109.42
  5. Step 5: Solve for x
    x = 579,745,069,109.42/788,663.70
  6. Step 6: Final answer
    x = 735,097.95

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.