Home / 822,124.52-1,134,216.87-499,716.98

Finding the Fourth Proportional to 822,124.52, 1,134,216.87 and 499,716.98

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Solution

The fourth proportional to 822,124.52, 1,134,216.87 and 499,716.98 is: 689,417.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,124.52 : 1,134,216.87 = 499,716.98 : x
  2. Step 2: Convert to fraction form
    822,124.52/1,134,216.87 = 499,716.98/x
  3. Step 3: Cross multiply
    822,124.52x = 1,134,216.87 × 499,716.98
  4. Step 4: Simplify right side
    822,124.52x = 566,787,423,270.37
  5. Step 5: Solve for x
    x = 566,787,423,270.37/822,124.52
  6. Step 6: Final answer
    x = 689,417.98

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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.