Home / 788,140.30-1,182,210.45-472,953.10

Finding the Fourth Proportional to 788,140.30, 1,182,210.45 and 472,953.10

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Solution

The fourth proportional to 788,140.30, 1,182,210.45 and 472,953.10 is: 709,429.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,140.30 : 1,182,210.45 = 472,953.10 : x
  2. Step 2: Convert to fraction form
    788,140.30/1,182,210.45 = 472,953.10/x
  3. Step 3: Cross multiply
    788,140.30x = 1,182,210.45 × 472,953.10
  4. Step 4: Simplify right side
    788,140.30x = 559,130,097,179.90
  5. Step 5: Solve for x
    x = 559,130,097,179.90/788,140.30
  6. Step 6: Final answer
    x = 709,429.65

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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.