Home / 560,724.40-773,772.64-318,984.22

Finding the Fourth Proportional to 560,724.40, 773,772.64 and 318,984.22

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Solution

The fourth proportional to 560,724.40, 773,772.64 and 318,984.22 is: 440,182.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,724.40 : 773,772.64 = 318,984.22 : x
  2. Step 2: Convert to fraction form
    560,724.40/773,772.64 = 318,984.22/x
  3. Step 3: Cross multiply
    560,724.40x = 773,772.64 × 318,984.22
  4. Step 4: Simplify right side
    560,724.40x = 246,821,262,027.74
  5. Step 5: Solve for x
    x = 246,821,262,027.74/560,724.40
  6. Step 6: Final answer
    x = 440,182.85

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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.