Home / 724,925.52-1,000,369.44-402,656.22

Finding the Fourth Proportional to 724,925.52, 1,000,369.44 and 402,656.22

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Solution

The fourth proportional to 724,925.52, 1,000,369.44 and 402,656.22 is: 555,650.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,925.52 : 1,000,369.44 = 402,656.22 : x
  2. Step 2: Convert to fraction form
    724,925.52/1,000,369.44 = 402,656.22/x
  3. Step 3: Cross multiply
    724,925.52x = 1,000,369.44 × 402,656.22
  4. Step 4: Simplify right side
    724,925.52x = 402,804,977,313.92
  5. Step 5: Solve for x
    x = 402,804,977,313.92/724,925.52
  6. Step 6: Final answer
    x = 555,650.15

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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.