Home / 710,040.68-979,724.21-404,098.86

Finding the Fourth Proportional to 710,040.68, 979,724.21 and 404,098.86

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Solution

The fourth proportional to 710,040.68, 979,724.21 and 404,098.86 is: 557,581.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,040.68 : 979,724.21 = 404,098.86 : x
  2. Step 2: Convert to fraction form
    710,040.68/979,724.21 = 404,098.86/x
  3. Step 3: Cross multiply
    710,040.68x = 979,724.21 × 404,098.86
  4. Step 4: Simplify right side
    710,040.68x = 395,905,438,924.19
  5. Step 5: Solve for x
    x = 395,905,438,924.19/710,040.68
  6. Step 6: Final answer
    x = 557,581.34

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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.