Home / 770,025.02-1,149,397.57-679,123.58

Finding the Fourth Proportional to 770,025.02, 1,149,397.57 and 679,123.58

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Solution

The fourth proportional to 770,025.02, 1,149,397.57 and 679,123.58 is: 1,013,711.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,025.02 : 1,149,397.57 = 679,123.58 : x
  2. Step 2: Convert to fraction form
    770,025.02/1,149,397.57 = 679,123.58/x
  3. Step 3: Cross multiply
    770,025.02x = 1,149,397.57 × 679,123.58
  4. Step 4: Simplify right side
    770,025.02x = 780,582,992,581.70
  5. Step 5: Solve for x
    x = 780,582,992,581.70/770,025.02
  6. Step 6: Final answer
    x = 1,013,711.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.