Home / 727,344.32-1,003,719.48-400,666.46

Finding the Fourth Proportional to 727,344.32, 1,003,719.48 and 400,666.46

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Solution

The fourth proportional to 727,344.32, 1,003,719.48 and 400,666.46 is: 552,911.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,344.32 : 1,003,719.48 = 400,666.46 : x
  2. Step 2: Convert to fraction form
    727,344.32/1,003,719.48 = 400,666.46/x
  3. Step 3: Cross multiply
    727,344.32x = 1,003,719.48 × 400,666.46
  4. Step 4: Simplify right side
    727,344.32x = 402,156,730,884.64
  5. Step 5: Solve for x
    x = 402,156,730,884.64/727,344.32
  6. Step 6: Final answer
    x = 552,911.08

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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.