Home / 788,574.20-1,182,861.30-648,606.20

Finding the Fourth Proportional to 788,574.20, 1,182,861.30 and 648,606.20

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Solution

The fourth proportional to 788,574.20, 1,182,861.30 and 648,606.20 is: 972,909.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,574.20 : 1,182,861.30 = 648,606.20 : x
  2. Step 2: Convert to fraction form
    788,574.20/1,182,861.30 = 648,606.20/x
  3. Step 3: Cross multiply
    788,574.20x = 1,182,861.30 × 648,606.20
  4. Step 4: Simplify right side
    788,574.20x = 767,211,172,920.06
  5. Step 5: Solve for x
    x = 767,211,172,920.06/788,574.20
  6. Step 6: Final answer
    x = 972,909.30

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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.