Home / 566,495.04-781,587.06-321,439.26

Finding the Fourth Proportional to 566,495.04, 781,587.06 and 321,439.26

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Solution

The fourth proportional to 566,495.04, 781,587.06 and 321,439.26 is: 443,486.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,495.04 : 781,587.06 = 321,439.26 : x
  2. Step 2: Convert to fraction form
    566,495.04/781,587.06 = 321,439.26/x
  3. Step 3: Cross multiply
    566,495.04x = 781,587.06 × 321,439.26
  4. Step 4: Simplify right side
    566,495.04x = 251,232,766,191.98
  5. Step 5: Solve for x
    x = 251,232,766,191.98/566,495.04
  6. Step 6: Final answer
    x = 443,486.26

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.