Home / 899,107.04-1,348,854.96-478,321.76

Finding the Fourth Proportional to 899,107.04, 1,348,854.96 and 478,321.76

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Solution

The fourth proportional to 899,107.04, 1,348,854.96 and 478,321.76 is: 717,586.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,107.04 : 1,348,854.96 = 478,321.76 : x
  2. Step 2: Convert to fraction form
    899,107.04/1,348,854.96 = 478,321.76/x
  3. Step 3: Cross multiply
    899,107.04x = 1,348,854.96 × 478,321.76
  4. Step 4: Simplify right side
    899,107.04x = 645,186,678,451.93
  5. Step 5: Solve for x
    x = 645,186,678,451.93/899,107.04
  6. Step 6: Final answer
    x = 717,586.06

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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.