Home / 747,464.56-1,031,486.70-407,935.24

Finding the Fourth Proportional to 747,464.56, 1,031,486.70 and 407,935.24

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Solution

The fourth proportional to 747,464.56, 1,031,486.70 and 407,935.24 is: 562,942.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,464.56 : 1,031,486.70 = 407,935.24 : x
  2. Step 2: Convert to fraction form
    747,464.56/1,031,486.70 = 407,935.24/x
  3. Step 3: Cross multiply
    747,464.56x = 1,031,486.70 × 407,935.24
  4. Step 4: Simplify right side
    747,464.56x = 420,779,773,472.35
  5. Step 5: Solve for x
    x = 420,779,773,472.35/747,464.56
  6. Step 6: Final answer
    x = 562,942.78

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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.