Home / 847,009.80-1,168,875.51-465,061.20

Finding the Fourth Proportional to 847,009.80, 1,168,875.51 and 465,061.20

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Solution

The fourth proportional to 847,009.80, 1,168,875.51 and 465,061.20 is: 641,785.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,009.80 : 1,168,875.51 = 465,061.20 : x
  2. Step 2: Convert to fraction form
    847,009.80/1,168,875.51 = 465,061.20/x
  3. Step 3: Cross multiply
    847,009.80x = 1,168,875.51 × 465,061.20
  4. Step 4: Simplify right side
    847,009.80x = 543,598,647,331.21
  5. Step 5: Solve for x
    x = 543,598,647,331.21/847,009.80
  6. Step 6: Final answer
    x = 641,785.55

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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.