Home / 928,270.25-1,281,012.95-525,862.25

Finding the Fourth Proportional to 928,270.25, 1,281,012.95 and 525,862.25

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Solution

The fourth proportional to 928,270.25, 1,281,012.95 and 525,862.25 is: 725,689.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,270.25 : 1,281,012.95 = 525,862.25 : x
  2. Step 2: Convert to fraction form
    928,270.25/1,281,012.95 = 525,862.25/x
  3. Step 3: Cross multiply
    928,270.25x = 1,281,012.95 × 525,862.25
  4. Step 4: Simplify right side
    928,270.25x = 673,636,352,166.14
  5. Step 5: Solve for x
    x = 673,636,352,166.14/928,270.25
  6. Step 6: Final answer
    x = 725,689.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.