Home / 992,502.81-1,488,613.40-318,496.95

Finding the Fourth Proportional to 992,502.81, 1,488,613.40 and 318,496.95

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Solution

The fourth proportional to 992,502.81, 1,488,613.40 and 318,496.95 is: 477,700.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,502.81 : 1,488,613.40 = 318,496.95 : x
  2. Step 2: Convert to fraction form
    992,502.81/1,488,613.40 = 318,496.95/x
  3. Step 3: Cross multiply
    992,502.81x = 1,488,613.40 × 318,496.95
  4. Step 4: Simplify right side
    992,502.81x = 474,118,826,036.65
  5. Step 5: Solve for x
    x = 474,118,826,036.65/992,502.81
  6. Step 6: Final answer
    x = 477,700.24

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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.