Home / 691,947.90-1,038,061.94-292,588.02

Finding the Fourth Proportional to 691,947.90, 1,038,061.94 and 292,588.02

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Solution

The fourth proportional to 691,947.90, 1,038,061.94 and 292,588.02 is: 438,941.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,947.90 : 1,038,061.94 = 292,588.02 : x
  2. Step 2: Convert to fraction form
    691,947.90/1,038,061.94 = 292,588.02/x
  3. Step 3: Cross multiply
    691,947.90x = 1,038,061.94 × 292,588.02
  4. Step 4: Simplify right side
    691,947.90x = 303,724,486,199.02
  5. Step 5: Solve for x
    x = 303,724,486,199.02/691,947.90
  6. Step 6: Final answer
    x = 438,941.26

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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.