Home / 781,567.20-1,172,328.80-249,120.16

Finding the Fourth Proportional to 781,567.20, 1,172,328.80 and 249,120.16

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Solution

The fourth proportional to 781,567.20, 1,172,328.80 and 249,120.16 is: 373,673.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,567.20 : 1,172,328.80 = 249,120.16 : x
  2. Step 2: Convert to fraction form
    781,567.20/1,172,328.80 = 249,120.16/x
  3. Step 3: Cross multiply
    781,567.20x = 1,172,328.80 × 249,120.16
  4. Step 4: Simplify right side
    781,567.20x = 292,050,738,228.61
  5. Step 5: Solve for x
    x = 292,050,738,228.61/781,567.20
  6. Step 6: Final answer
    x = 373,673.23

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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.