Home / 722,439.13-1,083,710.64-249,117.66

Finding the Fourth Proportional to 722,439.13, 1,083,710.64 and 249,117.66

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Solution

The fourth proportional to 722,439.13, 1,083,710.64 and 249,117.66 is: 373,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,439.13 : 1,083,710.64 = 249,117.66 : x
  2. Step 2: Convert to fraction form
    722,439.13/1,083,710.64 = 249,117.66/x
  3. Step 3: Cross multiply
    722,439.13x = 1,083,710.64 × 249,117.66
  4. Step 4: Simplify right side
    722,439.13x = 269,971,458,753.90
  5. Step 5: Solve for x
    x = 269,971,458,753.90/722,439.13
  6. Step 6: Final answer
    x = 373,694.40

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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.