Home / 810,043.52-1,117,870.44-447,465.92

Finding the Fourth Proportional to 810,043.52, 1,117,870.44 and 447,465.92

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Solution

The fourth proportional to 810,043.52, 1,117,870.44 and 447,465.92 is: 617,508.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,043.52 : 1,117,870.44 = 447,465.92 : x
  2. Step 2: Convert to fraction form
    810,043.52/1,117,870.44 = 447,465.92/x
  3. Step 3: Cross multiply
    810,043.52x = 1,117,870.44 × 447,465.92
  4. Step 4: Simplify right side
    810,043.52x = 500,208,924,875.41
  5. Step 5: Solve for x
    x = 500,208,924,875.41/810,043.52
  6. Step 6: Final answer
    x = 617,508.70

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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.