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Finding the Fourth Proportional to 473,472.34, 653,387.51 and 258,612.35

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Solution

The fourth proportional to 473,472.34, 653,387.51 and 258,612.35 is: 356,882.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,472.34 : 653,387.51 = 258,612.35 : x
  2. Step 2: Convert to fraction form
    473,472.34/653,387.51 = 258,612.35/x
  3. Step 3: Cross multiply
    473,472.34x = 653,387.51 × 258,612.35
  4. Step 4: Simplify right side
    473,472.34x = 168,974,076,801.34
  5. Step 5: Solve for x
    x = 168,974,076,801.34/473,472.34
  6. Step 6: Final answer
    x = 356,882.68

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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.