Home / 750,572.98-1,035,775.90-428,231.05

Finding the Fourth Proportional to 750,572.98, 1,035,775.90 and 428,231.05

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Solution

The fourth proportional to 750,572.98, 1,035,775.90 and 428,231.05 is: 590,950.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,572.98 : 1,035,775.90 = 428,231.05 : x
  2. Step 2: Convert to fraction form
    750,572.98/1,035,775.90 = 428,231.05/x
  3. Step 3: Cross multiply
    750,572.98x = 1,035,775.90 × 428,231.05
  4. Step 4: Simplify right side
    750,572.98x = 443,551,400,151.12
  5. Step 5: Solve for x
    x = 443,551,400,151.12/750,572.98
  6. Step 6: Final answer
    x = 590,950.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.