Home / 815,781.02-1,125,463.75-601,430.72

Finding the Fourth Proportional to 815,781.02, 1,125,463.75 and 601,430.72

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Solution

The fourth proportional to 815,781.02, 1,125,463.75 and 601,430.72 is: 829,742.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,781.02 : 1,125,463.75 = 601,430.72 : x
  2. Step 2: Convert to fraction form
    815,781.02/1,125,463.75 = 601,430.72/x
  3. Step 3: Cross multiply
    815,781.02x = 1,125,463.75 × 601,430.72
  4. Step 4: Simplify right side
    815,781.02x = 676,888,466,365.51
  5. Step 5: Solve for x
    x = 676,888,466,365.51/815,781.02
  6. Step 6: Final answer
    x = 829,742.85

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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.