Home / 787,814.08-1,087,169.52-448,275.04

Finding the Fourth Proportional to 787,814.08, 1,087,169.52 and 448,275.04

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Solution

The fourth proportional to 787,814.08, 1,087,169.52 and 448,275.04 is: 618,611.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,814.08 : 1,087,169.52 = 448,275.04 : x
  2. Step 2: Convert to fraction form
    787,814.08/1,087,169.52 = 448,275.04/x
  3. Step 3: Cross multiply
    787,814.08x = 1,087,169.52 × 448,275.04
  4. Step 4: Simplify right side
    787,814.08x = 487,350,960,064.78
  5. Step 5: Solve for x
    x = 487,350,960,064.78/787,814.08
  6. Step 6: Final answer
    x = 618,611.64

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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.