Home / 877,830.80-1,316,357.40-404,272.40

Finding the Fourth Proportional to 877,830.80, 1,316,357.40 and 404,272.40

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Solution

The fourth proportional to 877,830.80, 1,316,357.40 and 404,272.40 is: 606,229.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,830.80 : 1,316,357.40 = 404,272.40 : x
  2. Step 2: Convert to fraction form
    877,830.80/1,316,357.40 = 404,272.40/x
  3. Step 3: Cross multiply
    877,830.80x = 1,316,357.40 × 404,272.40
  4. Step 4: Simplify right side
    877,830.80x = 532,166,965,355.76
  5. Step 5: Solve for x
    x = 532,166,965,355.76/877,830.80
  6. Step 6: Final answer
    x = 606,229.54

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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.