Home / 887,065.80-1,330,598.70-381,868.80

Finding the Fourth Proportional to 887,065.80, 1,330,598.70 and 381,868.80

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Solution

The fourth proportional to 887,065.80, 1,330,598.70 and 381,868.80 is: 572,803.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,065.80 : 1,330,598.70 = 381,868.80 : x
  2. Step 2: Convert to fraction form
    887,065.80/1,330,598.70 = 381,868.80/x
  3. Step 3: Cross multiply
    887,065.80x = 1,330,598.70 × 381,868.80
  4. Step 4: Simplify right side
    887,065.80x = 508,114,128,850.56
  5. Step 5: Solve for x
    x = 508,114,128,850.56/887,065.80
  6. Step 6: Final answer
    x = 572,803.20

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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.