Home / 757,756.89-1,045,699.34-418,225.14

Finding the Fourth Proportional to 757,756.89, 1,045,699.34 and 418,225.14

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Solution

The fourth proportional to 757,756.89, 1,045,699.34 and 418,225.14 is: 577,147.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,756.89 : 1,045,699.34 = 418,225.14 : x
  2. Step 2: Convert to fraction form
    757,756.89/1,045,699.34 = 418,225.14/x
  3. Step 3: Cross multiply
    757,756.89x = 1,045,699.34 × 418,225.14
  4. Step 4: Simplify right side
    757,756.89x = 437,337,750,778.28
  5. Step 5: Solve for x
    x = 437,337,750,778.28/757,756.89
  6. Step 6: Final answer
    x = 577,147.84

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1.5x scale

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.