Home / 877,207.20-1,315,810.80-404,815.20

Finding the Fourth Proportional to 877,207.20, 1,315,810.80 and 404,815.20

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Solution

The fourth proportional to 877,207.20, 1,315,810.80 and 404,815.20 is: 607,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,207.20 : 1,315,810.80 = 404,815.20 : x
  2. Step 2: Convert to fraction form
    877,207.20/1,315,810.80 = 404,815.20/x
  3. Step 3: Cross multiply
    877,207.20x = 1,315,810.80 × 404,815.20
  4. Step 4: Simplify right side
    877,207.20x = 532,660,212,164.16
  5. Step 5: Solve for x
    x = 532,660,212,164.16/877,207.20
  6. Step 6: Final answer
    x = 607,222.80

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1.5x scale

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.