Home / 967,777.40-1,335,149.20-559,803.48

Finding the Fourth Proportional to 967,777.40, 1,335,149.20 and 559,803.48

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Solution

The fourth proportional to 967,777.40, 1,335,149.20 and 559,803.48 is: 772,306.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,777.40 : 1,335,149.20 = 559,803.48 : x
  2. Step 2: Convert to fraction form
    967,777.40/1,335,149.20 = 559,803.48/x
  3. Step 3: Cross multiply
    967,777.40x = 1,335,149.20 × 559,803.48
  4. Step 4: Simplify right side
    967,777.40x = 747,421,168,479.22
  5. Step 5: Solve for x
    x = 747,421,168,479.22/967,777.40
  6. Step 6: Final answer
    x = 772,306.90

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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.