Home / 891,486.95-1,337,215.84-358,994.57

Finding the Fourth Proportional to 891,486.95, 1,337,215.84 and 358,994.57

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Solution

The fourth proportional to 891,486.95, 1,337,215.84 and 358,994.57 is: 538,485.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,486.95 : 1,337,215.84 = 358,994.57 : x
  2. Step 2: Convert to fraction form
    891,486.95/1,337,215.84 = 358,994.57/x
  3. Step 3: Cross multiply
    891,486.95x = 1,337,215.84 × 358,994.57
  4. Step 4: Simplify right side
    891,486.95x = 480,053,217,894.42
  5. Step 5: Solve for x
    x = 480,053,217,894.42/891,486.95
  6. Step 6: Final answer
    x = 538,485.98

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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.