Home / 992,534.16-1,488,660.36-318,528.12

Finding the Fourth Proportional to 992,534.16, 1,488,660.36 and 318,528.12

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Solution

The fourth proportional to 992,534.16, 1,488,660.36 and 318,528.12 is: 477,746.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,534.16 : 1,488,660.36 = 318,528.12 : x
  2. Step 2: Convert to fraction form
    992,534.16/1,488,660.36 = 318,528.12/x
  3. Step 3: Cross multiply
    992,534.16x = 1,488,660.36 × 318,528.12
  4. Step 4: Simplify right side
    992,534.16x = 474,180,185,789.32
  5. Step 5: Solve for x
    x = 474,180,185,789.32/992,534.16
  6. Step 6: Final answer
    x = 477,746.97

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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.