Home / 787,750.80-1,182,209.40-314,775.60

Finding the Fourth Proportional to 787,750.80, 1,182,209.40 and 314,775.60

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Solution

The fourth proportional to 787,750.80, 1,182,209.40 and 314,775.60 is: 472,396.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,750.80 : 1,182,209.40 = 314,775.60 : x
  2. Step 2: Convert to fraction form
    787,750.80/1,182,209.40 = 314,775.60/x
  3. Step 3: Cross multiply
    787,750.80x = 1,182,209.40 × 314,775.60
  4. Step 4: Simplify right side
    787,750.80x = 372,130,673,210.64
  5. Step 5: Solve for x
    x = 372,130,673,210.64/787,750.80
  6. Step 6: Final answer
    x = 472,396.44

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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.