Home / 877,097.20-1,315,645.80-404,705.20

Finding the Fourth Proportional to 877,097.20, 1,315,645.80 and 404,705.20

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Solution

The fourth proportional to 877,097.20, 1,315,645.80 and 404,705.20 is: 607,057.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,097.20 : 1,315,645.80 = 404,705.20 : x
  2. Step 2: Convert to fraction form
    877,097.20/1,315,645.80 = 404,705.20/x
  3. Step 3: Cross multiply
    877,097.20x = 1,315,645.80 × 404,705.20
  4. Step 4: Simplify right side
    877,097.20x = 532,448,696,618.16
  5. Step 5: Solve for x
    x = 532,448,696,618.16/877,097.20
  6. Step 6: Final answer
    x = 607,057.80

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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.