Home / 880,643.80-1,320,836.10-249,621.40

Finding the Fourth Proportional to 880,643.80, 1,320,836.10 and 249,621.40

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Solution

The fourth proportional to 880,643.80, 1,320,836.10 and 249,621.40 is: 374,395.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,643.80 : 1,320,836.10 = 249,621.40 : x
  2. Step 2: Convert to fraction form
    880,643.80/1,320,836.10 = 249,621.40/x
  3. Step 3: Cross multiply
    880,643.80x = 1,320,836.10 × 249,621.40
  4. Step 4: Simplify right side
    880,643.80x = 329,708,956,452.54
  5. Step 5: Solve for x
    x = 329,708,956,452.54/880,643.80
  6. Step 6: Final answer
    x = 374,395.36

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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.