Home / 530,249.28-731,502.27-315,267.18

Finding the Fourth Proportional to 530,249.28, 731,502.27 and 315,267.18

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Solution

The fourth proportional to 530,249.28, 731,502.27 and 315,267.18 is: 434,924.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,249.28 : 731,502.27 = 315,267.18 : x
  2. Step 2: Convert to fraction form
    530,249.28/731,502.27 = 315,267.18/x
  3. Step 3: Cross multiply
    530,249.28x = 731,502.27 × 315,267.18
  4. Step 4: Simplify right side
    530,249.28x = 230,618,657,826.50
  5. Step 5: Solve for x
    x = 230,618,657,826.50/530,249.28
  6. Step 6: Final answer
    x = 434,924.98

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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.