Home / 847,902.28-1,170,114.46-465,929.16

Finding the Fourth Proportional to 847,902.28, 1,170,114.46 and 465,929.16

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Solution

The fourth proportional to 847,902.28, 1,170,114.46 and 465,929.16 is: 642,987.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,902.28 : 1,170,114.46 = 465,929.16 : x
  2. Step 2: Convert to fraction form
    847,902.28/1,170,114.46 = 465,929.16/x
  3. Step 3: Cross multiply
    847,902.28x = 1,170,114.46 × 465,929.16
  4. Step 4: Simplify right side
    847,902.28x = 545,190,447,451.65
  5. Step 5: Solve for x
    x = 545,190,447,451.65/847,902.28
  6. Step 6: Final answer
    x = 642,987.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.