Home / 772,803.40-1,159,205.10-559,913.80

Finding the Fourth Proportional to 772,803.40, 1,159,205.10 and 559,913.80

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Solution

The fourth proportional to 772,803.40, 1,159,205.10 and 559,913.80 is: 839,870.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,803.40 : 1,159,205.10 = 559,913.80 : x
  2. Step 2: Convert to fraction form
    772,803.40/1,159,205.10 = 559,913.80/x
  3. Step 3: Cross multiply
    772,803.40x = 1,159,205.10 × 559,913.80
  4. Step 4: Simplify right side
    772,803.40x = 649,054,932,520.38
  5. Step 5: Solve for x
    x = 649,054,932,520.38/772,803.40
  6. Step 6: Final answer
    x = 839,870.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.