Home / 770,854.52-1,155,813.60-386,156.01

Finding the Fourth Proportional to 770,854.52, 1,155,813.60 and 386,156.01

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Solution

The fourth proportional to 770,854.52, 1,155,813.60 and 386,156.01 is: 578,999.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,854.52 : 1,155,813.60 = 386,156.01 : x
  2. Step 2: Convert to fraction form
    770,854.52/1,155,813.60 = 386,156.01/x
  3. Step 3: Cross multiply
    770,854.52x = 1,155,813.60 × 386,156.01
  4. Step 4: Simplify right side
    770,854.52x = 446,324,367,360.67
  5. Step 5: Solve for x
    x = 446,324,367,360.67/770,854.52
  6. Step 6: Final answer
    x = 578,999.48

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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.