Home / 862,345.80-1,190,073.06-480,372.48

Finding the Fourth Proportional to 862,345.80, 1,190,073.06 and 480,372.48

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Solution

The fourth proportional to 862,345.80, 1,190,073.06 and 480,372.48 is: 662,934.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,345.80 : 1,190,073.06 = 480,372.48 : x
  2. Step 2: Convert to fraction form
    862,345.80/1,190,073.06 = 480,372.48/x
  3. Step 3: Cross multiply
    862,345.80x = 1,190,073.06 × 480,372.48
  4. Step 4: Simplify right side
    862,345.80x = 571,678,347,213.39
  5. Step 5: Solve for x
    x = 571,678,347,213.39/862,345.80
  6. Step 6: Final answer
    x = 662,934.00

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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.