Home / 691,950.90-1,038,066.45-292,591.02

Finding the Fourth Proportional to 691,950.90, 1,038,066.45 and 292,591.02

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Solution

The fourth proportional to 691,950.90, 1,038,066.45 and 292,591.02 is: 438,945.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,950.90 : 1,038,066.45 = 292,591.02 : x
  2. Step 2: Convert to fraction form
    691,950.90/1,038,066.45 = 292,591.02/x
  3. Step 3: Cross multiply
    691,950.90x = 1,038,066.45 × 292,591.02
  4. Step 4: Simplify right side
    691,950.90x = 303,728,921,433.28
  5. Step 5: Solve for x
    x = 303,728,921,433.28/691,950.90
  6. Step 6: Final answer
    x = 438,945.77

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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.