Home / 877,967.20-1,315,934.34-403,657.12

Finding the Fourth Proportional to 877,967.20, 1,315,934.34 and 403,657.12

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Solution

The fourth proportional to 877,967.20, 1,315,934.34 and 403,657.12 is: 605,018.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,967.20 : 1,315,934.34 = 403,657.12 : x
  2. Step 2: Convert to fraction form
    877,967.20/1,315,934.34 = 403,657.12/x
  3. Step 3: Cross multiply
    877,967.20x = 1,315,934.34 × 403,657.12
  4. Step 4: Simplify right side
    877,967.20x = 531,186,265,793.50
  5. Step 5: Solve for x
    x = 531,186,265,793.50/877,967.20
  6. Step 6: Final answer
    x = 605,018.35

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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.