Home / 899,121.04-1,348,875.96-478,335.76

Finding the Fourth Proportional to 899,121.04, 1,348,875.96 and 478,335.76

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Solution

The fourth proportional to 899,121.04, 1,348,875.96 and 478,335.76 is: 717,607.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,121.04 : 1,348,875.96 = 478,335.76 : x
  2. Step 2: Convert to fraction form
    899,121.04/1,348,875.96 = 478,335.76/x
  3. Step 3: Cross multiply
    899,121.04x = 1,348,875.96 × 478,335.76
  4. Step 4: Simplify right side
    899,121.04x = 645,215,607,472.33
  5. Step 5: Solve for x
    x = 645,215,607,472.33/899,121.04
  6. Step 6: Final answer
    x = 717,607.06

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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.