Home / 992,510.32-1,488,624.64-318,504.48

Finding the Fourth Proportional to 992,510.32, 1,488,624.64 and 318,504.48

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Solution

The fourth proportional to 992,510.32, 1,488,624.64 and 318,504.48 is: 477,711.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,510.32 : 1,488,624.64 = 318,504.48 : x
  2. Step 2: Convert to fraction form
    992,510.32/1,488,624.64 = 318,504.48/x
  3. Step 3: Cross multiply
    992,510.32x = 1,488,624.64 × 318,504.48
  4. Step 4: Simplify right side
    992,510.32x = 474,133,616,878.39
  5. Step 5: Solve for x
    x = 474,133,616,878.39/992,510.32
  6. Step 6: Final answer
    x = 477,711.52

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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.