Home / 723,971.60-1,086,475.80-303,549.20

Finding the Fourth Proportional to 723,971.60, 1,086,475.80 and 303,549.20

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Solution

The fourth proportional to 723,971.60, 1,086,475.80 and 303,549.20 is: 455,541.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,971.60 : 1,086,475.80 = 303,549.20 : x
  2. Step 2: Convert to fraction form
    723,971.60/1,086,475.80 = 303,549.20/x
  3. Step 3: Cross multiply
    723,971.60x = 1,086,475.80 × 303,549.20
  4. Step 4: Simplify right side
    723,971.60x = 329,798,859,909.36
  5. Step 5: Solve for x
    x = 329,798,859,909.36/723,971.60
  6. Step 6: Final answer
    x = 455,541.16

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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.