Home / 724,850.77-1,000,296.41-402,560.87

Finding the Fourth Proportional to 724,850.77, 1,000,296.41 and 402,560.87

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Solution

The fourth proportional to 724,850.77, 1,000,296.41 and 402,560.87 is: 555,535.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,850.77 : 1,000,296.41 = 402,560.87 : x
  2. Step 2: Convert to fraction form
    724,850.77/1,000,296.41 = 402,560.87/x
  3. Step 3: Cross multiply
    724,850.77x = 1,000,296.41 × 402,560.87
  4. Step 4: Simplify right side
    724,850.77x = 402,680,191,054.67
  5. Step 5: Solve for x
    x = 402,680,191,054.67/724,850.77
  6. Step 6: Final answer
    x = 555,535.30

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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.