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Finding the Fourth Proportional to 532,306.35, 735,384.02 and 348,980.49

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Solution

The fourth proportional to 532,306.35, 735,384.02 and 348,980.49 is: 482,118.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,306.35 : 735,384.02 = 348,980.49 : x
  2. Step 2: Convert to fraction form
    532,306.35/735,384.02 = 348,980.49/x
  3. Step 3: Cross multiply
    532,306.35x = 735,384.02 × 348,980.49
  4. Step 4: Simplify right side
    532,306.35x = 256,634,673,892.87
  5. Step 5: Solve for x
    x = 256,634,673,892.87/532,306.35
  6. Step 6: Final answer
    x = 482,118.38

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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.