Home / 749,108.21-1,122,478.91-608,177.93

Finding the Fourth Proportional to 749,108.21, 1,122,478.91 and 608,177.93

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Solution

The fourth proportional to 749,108.21, 1,122,478.91 and 608,177.93 is: 911,306.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,108.21 : 1,122,478.91 = 608,177.93 : x
  2. Step 2: Convert to fraction form
    749,108.21/1,122,478.91 = 608,177.93/x
  3. Step 3: Cross multiply
    749,108.21x = 1,122,478.91 × 608,177.93
  4. Step 4: Simplify right side
    749,108.21x = 682,666,899,717.76
  5. Step 5: Solve for x
    x = 682,666,899,717.76/749,108.21
  6. Step 6: Final answer
    x = 911,306.12

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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.