Home / 840,339.48-1,159,338.02-517,489.08

Finding the Fourth Proportional to 840,339.48, 1,159,338.02 and 517,489.08

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Solution

The fourth proportional to 840,339.48, 1,159,338.02 and 517,489.08 is: 713,931.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,339.48 : 1,159,338.02 = 517,489.08 : x
  2. Step 2: Convert to fraction form
    840,339.48/1,159,338.02 = 517,489.08/x
  3. Step 3: Cross multiply
    840,339.48x = 1,159,338.02 × 517,489.08
  4. Step 4: Simplify right side
    840,339.48x = 599,944,758,443.86
  5. Step 5: Solve for x
    x = 599,944,758,443.86/840,339.48
  6. Step 6: Final answer
    x = 713,931.42

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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.