Home / 637,962.53-880,387.80-351,482.61

Finding the Fourth Proportional to 637,962.53, 880,387.80 and 351,482.61

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Solution

The fourth proportional to 637,962.53, 880,387.80 and 351,482.61 is: 485,045.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,962.53 : 880,387.80 = 351,482.61 : x
  2. Step 2: Convert to fraction form
    637,962.53/880,387.80 = 351,482.61/x
  3. Step 3: Cross multiply
    637,962.53x = 880,387.80 × 351,482.61
  4. Step 4: Simplify right side
    637,962.53x = 309,441,006,705.19
  5. Step 5: Solve for x
    x = 309,441,006,705.19/637,962.53
  6. Step 6: Final answer
    x = 485,045.74

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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.