Home / 992,370.36-1,488,559.86-318,554.04

Finding the Fourth Proportional to 992,370.36, 1,488,559.86 and 318,554.04

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Solution

The fourth proportional to 992,370.36, 1,488,559.86 and 318,554.04 is: 477,832.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,370.36 : 1,488,559.86 = 318,554.04 : x
  2. Step 2: Convert to fraction form
    992,370.36/1,488,559.86 = 318,554.04/x
  3. Step 3: Cross multiply
    992,370.36x = 1,488,559.86 × 318,554.04
  4. Step 4: Simplify right side
    992,370.36x = 474,186,757,184.83
  5. Step 5: Solve for x
    x = 474,186,757,184.83/992,370.36
  6. Step 6: Final answer
    x = 477,832.45

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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.