Home / 648,778.16-972,444.72-269,487.56

Finding the Fourth Proportional to 648,778.16, 972,444.72 and 269,487.56

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Solution

The fourth proportional to 648,778.16, 972,444.72 and 269,487.56 is: 403,931.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,778.16 : 972,444.72 = 269,487.56 : x
  2. Step 2: Convert to fraction form
    648,778.16/972,444.72 = 269,487.56/x
  3. Step 3: Cross multiply
    648,778.16x = 972,444.72 × 269,487.56
  4. Step 4: Simplify right side
    648,778.16x = 262,061,754,827.68
  5. Step 5: Solve for x
    x = 262,061,754,827.68/648,778.16
  6. Step 6: Final answer
    x = 403,931.22

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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.