Home / 649,061.08-895,686.78-354,699.18

Finding the Fourth Proportional to 649,061.08, 895,686.78 and 354,699.18

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Solution

The fourth proportional to 649,061.08, 895,686.78 and 354,699.18 is: 489,475.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,061.08 : 895,686.78 = 354,699.18 : x
  2. Step 2: Convert to fraction form
    649,061.08/895,686.78 = 354,699.18/x
  3. Step 3: Cross multiply
    649,061.08x = 895,686.78 × 354,699.18
  4. Step 4: Simplify right side
    649,061.08x = 317,699,366,402.84
  5. Step 5: Solve for x
    x = 317,699,366,402.84/649,061.08
  6. Step 6: Final answer
    x = 489,475.30

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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.