Home / 781,502.48-1,172,240.90-249,016.30

Finding the Fourth Proportional to 781,502.48, 1,172,240.90 and 249,016.30

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Solution

The fourth proportional to 781,502.48, 1,172,240.90 and 249,016.30 is: 373,520.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,502.48 : 1,172,240.90 = 249,016.30 : x
  2. Step 2: Convert to fraction form
    781,502.48/1,172,240.90 = 249,016.30/x
  3. Step 3: Cross multiply
    781,502.48x = 1,172,240.90 × 249,016.30
  4. Step 4: Simplify right side
    781,502.48x = 291,907,091,626.67
  5. Step 5: Solve for x
    x = 291,907,091,626.67/781,502.48
  6. Step 6: Final answer
    x = 373,520.37

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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.