Home / 598,729.32-826,246.50-408,075.78

Finding the Fourth Proportional to 598,729.32, 826,246.50 and 408,075.78

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Solution

The fourth proportional to 598,729.32, 826,246.50 and 408,075.78 is: 563,144.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,729.32 : 826,246.50 = 408,075.78 : x
  2. Step 2: Convert to fraction form
    598,729.32/826,246.50 = 408,075.78/x
  3. Step 3: Cross multiply
    598,729.32x = 826,246.50 × 408,075.78
  4. Step 4: Simplify right side
    598,729.32x = 337,171,184,959.77
  5. Step 5: Solve for x
    x = 337,171,184,959.77/598,729.32
  6. Step 6: Final answer
    x = 563,144.60

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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.