Home / 971,038.02-1,340,112.25-535,540.55

Finding the Fourth Proportional to 971,038.02, 1,340,112.25 and 535,540.55

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Solution

The fourth proportional to 971,038.02, 1,340,112.25 and 535,540.55 is: 739,089.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,038.02 : 1,340,112.25 = 535,540.55 : x
  2. Step 2: Convert to fraction form
    971,038.02/1,340,112.25 = 535,540.55/x
  3. Step 3: Cross multiply
    971,038.02x = 1,340,112.25 × 535,540.55
  4. Step 4: Simplify right side
    971,038.02x = 717,684,443,387.33
  5. Step 5: Solve for x
    x = 717,684,443,387.33/971,038.02
  6. Step 6: Final answer
    x = 739,089.95

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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.