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Finding the Fourth Proportional to 598,805.10, 898,207.65 and 520,073.10

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Solution

The fourth proportional to 598,805.10, 898,207.65 and 520,073.10 is: 780,109.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,805.10 : 898,207.65 = 520,073.10 : x
  2. Step 2: Convert to fraction form
    598,805.10/898,207.65 = 520,073.10/x
  3. Step 3: Cross multiply
    598,805.10x = 898,207.65 × 520,073.10
  4. Step 4: Simplify right side
    598,805.10x = 467,133,636,979.22
  5. Step 5: Solve for x
    x = 467,133,636,979.22/598,805.10
  6. Step 6: Final answer
    x = 780,109.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.