Home / 718,032.90-1,077,128.16-358,294.29

Finding the Fourth Proportional to 718,032.90, 1,077,128.16 and 358,294.29

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Solution

The fourth proportional to 718,032.90, 1,077,128.16 and 358,294.29 is: 537,480.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,032.90 : 1,077,128.16 = 358,294.29 : x
  2. Step 2: Convert to fraction form
    718,032.90/1,077,128.16 = 358,294.29/x
  3. Step 3: Cross multiply
    718,032.90x = 1,077,128.16 × 358,294.29
  4. Step 4: Simplify right side
    718,032.90x = 385,928,868,430.47
  5. Step 5: Solve for x
    x = 385,928,868,430.47/718,032.90
  6. Step 6: Final answer
    x = 537,480.76

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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.