Home / 717,710.40-1,078,898.40-615,067.20

Finding the Fourth Proportional to 717,710.40, 1,078,898.40 and 615,067.20

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Solution

The fourth proportional to 717,710.40, 1,078,898.40 and 615,067.20 is: 924,599.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,710.40 : 1,078,898.40 = 615,067.20 : x
  2. Step 2: Convert to fraction form
    717,710.40/1,078,898.40 = 615,067.20/x
  3. Step 3: Cross multiply
    717,710.40x = 1,078,898.40 × 615,067.20
  4. Step 4: Simplify right side
    717,710.40x = 663,595,017,972.48
  5. Step 5: Solve for x
    x = 663,595,017,972.48/717,710.40
  6. Step 6: Final answer
    x = 924,599.98

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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.