Home / 712,203.20-1,068,045.60-357,099.20

Finding the Fourth Proportional to 712,203.20, 1,068,045.60 and 357,099.20

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Solution

The fourth proportional to 712,203.20, 1,068,045.60 and 357,099.20 is: 535,518.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,203.20 : 1,068,045.60 = 357,099.20 : x
  2. Step 2: Convert to fraction form
    712,203.20/1,068,045.60 = 357,099.20/x
  3. Step 3: Cross multiply
    712,203.20x = 1,068,045.60 × 357,099.20
  4. Step 4: Simplify right side
    712,203.20x = 381,398,229,323.52
  5. Step 5: Solve for x
    x = 381,398,229,323.52/712,203.20
  6. Step 6: Final answer
    x = 535,518.84

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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.