Home / 744,025.80-1,116,038.70-478,305.30

Finding the Fourth Proportional to 744,025.80, 1,116,038.70 and 478,305.30

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Solution

The fourth proportional to 744,025.80, 1,116,038.70 and 478,305.30 is: 717,457.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,025.80 : 1,116,038.70 = 478,305.30 : x
  2. Step 2: Convert to fraction form
    744,025.80/1,116,038.70 = 478,305.30/x
  3. Step 3: Cross multiply
    744,025.80x = 1,116,038.70 × 478,305.30
  4. Step 4: Simplify right side
    744,025.80x = 533,807,225,215.11
  5. Step 5: Solve for x
    x = 533,807,225,215.11/744,025.80
  6. Step 6: Final answer
    x = 717,457.95

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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.