Home / 989,467.12-1,365,489.12-607,276.72

Finding the Fourth Proportional to 989,467.12, 1,365,489.12 and 607,276.72

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Solution

The fourth proportional to 989,467.12, 1,365,489.12 and 607,276.72 is: 838,056.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,467.12 : 1,365,489.12 = 607,276.72 : x
  2. Step 2: Convert to fraction form
    989,467.12/1,365,489.12 = 607,276.72/x
  3. Step 3: Cross multiply
    989,467.12x = 1,365,489.12 × 607,276.72
  4. Step 4: Simplify right side
    989,467.12x = 829,229,753,989.29
  5. Step 5: Solve for x
    x = 829,229,753,989.29/989,467.12
  6. Step 6: Final answer
    x = 838,056.91

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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.