Home / 787,802.40-1,181,995.20-314,827.20

Finding the Fourth Proportional to 787,802.40, 1,181,995.20 and 314,827.20

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Solution

The fourth proportional to 787,802.40, 1,181,995.20 and 314,827.20 is: 472,357.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,802.40 : 1,181,995.20 = 314,827.20 : x
  2. Step 2: Convert to fraction form
    787,802.40/1,181,995.20 = 314,827.20/x
  3. Step 3: Cross multiply
    787,802.40x = 1,181,995.20 × 314,827.20
  4. Step 4: Simplify right side
    787,802.40x = 372,124,239,229.44
  5. Step 5: Solve for x
    x = 372,124,239,229.44/787,802.40
  6. Step 6: Final answer
    x = 472,357.33

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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.