Home / 770,114.40-1,155,366.24-621,703.20

Finding the Fourth Proportional to 770,114.40, 1,155,366.24 and 621,703.20

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Solution

The fourth proportional to 770,114.40, 1,155,366.24 and 621,703.20 is: 932,711.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,114.40 : 1,155,366.24 = 621,703.20 : x
  2. Step 2: Convert to fraction form
    770,114.40/1,155,366.24 = 621,703.20/x
  3. Step 3: Cross multiply
    770,114.40x = 1,155,366.24 × 621,703.20
  4. Step 4: Simplify right side
    770,114.40x = 718,294,888,579.97
  5. Step 5: Solve for x
    x = 718,294,888,579.97/770,114.40
  6. Step 6: Final answer
    x = 932,711.93

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1.5x scale

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.