Home / 887,865.74-1,331,810.88-288,830.04

Finding the Fourth Proportional to 887,865.74, 1,331,810.88 and 288,830.04

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Solution

The fourth proportional to 887,865.74, 1,331,810.88 and 288,830.04 is: 433,249.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,865.74 : 1,331,810.88 = 288,830.04 : x
  2. Step 2: Convert to fraction form
    887,865.74/1,331,810.88 = 288,830.04/x
  3. Step 3: Cross multiply
    887,865.74x = 1,331,810.88 × 288,830.04
  4. Step 4: Simplify right side
    887,865.74x = 384,666,989,742.84
  5. Step 5: Solve for x
    x = 384,666,989,742.84/887,865.74
  6. Step 6: Final answer
    x = 433,249.05

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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.