Home / 781,661.48-1,172,577.18-249,057.32

Finding the Fourth Proportional to 781,661.48, 1,172,577.18 and 249,057.32

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Solution

The fourth proportional to 781,661.48, 1,172,577.18 and 249,057.32 is: 373,613.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,661.48 : 1,172,577.18 = 249,057.32 : x
  2. Step 2: Convert to fraction form
    781,661.48/1,172,577.18 = 249,057.32/x
  3. Step 3: Cross multiply
    781,661.48x = 1,172,577.18 × 249,057.32
  4. Step 4: Simplify right side
    781,661.48x = 292,038,929,943.96
  5. Step 5: Solve for x
    x = 292,038,929,943.96/781,661.48
  6. Step 6: Final answer
    x = 373,613.05

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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.