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Finding the Fourth Proportional to 676,079.50, 933,000.71 and 370,150.78

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Solution

The fourth proportional to 676,079.50, 933,000.71 and 370,150.78 is: 510,814.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,079.50 : 933,000.71 = 370,150.78 : x
  2. Step 2: Convert to fraction form
    676,079.50/933,000.71 = 370,150.78/x
  3. Step 3: Cross multiply
    676,079.50x = 933,000.71 × 370,150.78
  4. Step 4: Simplify right side
    676,079.50x = 345,350,940,547.05
  5. Step 5: Solve for x
    x = 345,350,940,547.05/676,079.50
  6. Step 6: Final answer
    x = 510,814.10

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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.