Home / 781,728.86-1,172,580.93-249,246.29

Finding the Fourth Proportional to 781,728.86, 1,172,580.93 and 249,246.29

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Solution

The fourth proportional to 781,728.86, 1,172,580.93 and 249,246.29 is: 373,865.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,728.86 : 1,172,580.93 = 249,246.29 : x
  2. Step 2: Convert to fraction form
    781,728.86/1,172,580.93 = 249,246.29/x
  3. Step 3: Cross multiply
    781,728.86x = 1,172,580.93 × 249,246.29
  4. Step 4: Simplify right side
    781,728.86x = 292,261,440,664.35
  5. Step 5: Solve for x
    x = 292,261,440,664.35/781,728.86
  6. Step 6: Final answer
    x = 373,865.49

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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.