Home / 465,927.40-699,547.20-288,780.40

Finding the Fourth Proportional to 465,927.40, 699,547.20 and 288,780.40

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Solution

The fourth proportional to 465,927.40, 699,547.20 and 288,780.40 is: 433,577.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,927.40 : 699,547.20 = 288,780.40 : x
  2. Step 2: Convert to fraction form
    465,927.40/699,547.20 = 288,780.40/x
  3. Step 3: Cross multiply
    465,927.40x = 699,547.20 × 288,780.40
  4. Step 4: Simplify right side
    465,927.40x = 202,015,520,234.88
  5. Step 5: Solve for x
    x = 202,015,520,234.88/465,927.40
  6. Step 6: Final answer
    x = 433,577.25

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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.