Home / 928,270.76-1,281,013.63-525,862.76

Finding the Fourth Proportional to 928,270.76, 1,281,013.63 and 525,862.76

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Solution

The fourth proportional to 928,270.76, 1,281,013.63 and 525,862.76 is: 725,690.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,270.76 : 1,281,013.63 = 525,862.76 : x
  2. Step 2: Convert to fraction form
    928,270.76/1,281,013.63 = 525,862.76/x
  3. Step 3: Cross multiply
    928,270.76x = 1,281,013.63 × 525,862.76
  4. Step 4: Simplify right side
    928,270.76x = 673,637,363,069.42
  5. Step 5: Solve for x
    x = 673,637,363,069.42/928,270.76
  6. Step 6: Final answer
    x = 725,690.60

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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.