Home / 891,038.88-1,336,620.76-358,562.40

Finding the Fourth Proportional to 891,038.88, 1,336,620.76 and 358,562.40

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Solution

The fourth proportional to 891,038.88, 1,336,620.76 and 358,562.40 is: 537,868.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,038.88 : 1,336,620.76 = 358,562.40 : x
  2. Step 2: Convert to fraction form
    891,038.88/1,336,620.76 = 358,562.40/x
  3. Step 3: Cross multiply
    891,038.88x = 1,336,620.76 × 358,562.40
  4. Step 4: Simplify right side
    891,038.88x = 479,261,947,595.42
  5. Step 5: Solve for x
    x = 479,261,947,595.42/891,038.88
  6. Step 6: Final answer
    x = 537,868.73

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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.