Home / 815,192.01-1,125,124.56-520,652.52

Finding the Fourth Proportional to 815,192.01, 1,125,124.56 and 520,652.52

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Solution

The fourth proportional to 815,192.01, 1,125,124.56 and 520,652.52 is: 718,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,192.01 : 1,125,124.56 = 520,652.52 : x
  2. Step 2: Convert to fraction form
    815,192.01/1,125,124.56 = 520,652.52/x
  3. Step 3: Cross multiply
    815,192.01x = 1,125,124.56 × 520,652.52
  4. Step 4: Simplify right side
    815,192.01x = 585,798,937,477.89
  5. Step 5: Solve for x
    x = 585,798,937,477.89/815,192.01
  6. Step 6: Final answer
    x = 718,602.40

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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.