Home / 770,581.80-1,155,872.70-723,925.80

Finding the Fourth Proportional to 770,581.80, 1,155,872.70 and 723,925.80

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Solution

The fourth proportional to 770,581.80, 1,155,872.70 and 723,925.80 is: 1,085,888.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,581.80 : 1,155,872.70 = 723,925.80 : x
  2. Step 2: Convert to fraction form
    770,581.80/1,155,872.70 = 723,925.80/x
  3. Step 3: Cross multiply
    770,581.80x = 1,155,872.70 × 723,925.80
  4. Step 4: Simplify right side
    770,581.80x = 836,766,069,045.66
  5. Step 5: Solve for x
    x = 836,766,069,045.66/770,581.80
  6. Step 6: Final answer
    x = 1,085,888.70

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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.