Home / 808,909.60-1,211,290.80-597,402.40

Finding the Fourth Proportional to 808,909.60, 1,211,290.80 and 597,402.40

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Solution

The fourth proportional to 808,909.60, 1,211,290.80 and 597,402.40 is: 894,572.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,909.60 : 1,211,290.80 = 597,402.40 : x
  2. Step 2: Convert to fraction form
    808,909.60/1,211,290.80 = 597,402.40/x
  3. Step 3: Cross multiply
    808,909.60x = 1,211,290.80 × 597,402.40
  4. Step 4: Simplify right side
    808,909.60x = 723,628,031,017.92
  5. Step 5: Solve for x
    x = 723,628,031,017.92/808,909.60
  6. Step 6: Final answer
    x = 894,572.19

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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.