Home / 749,855.48-1,125,045.65-217,408.46

Finding the Fourth Proportional to 749,855.48, 1,125,045.65 and 217,408.46

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Solution

The fourth proportional to 749,855.48, 1,125,045.65 and 217,408.46 is: 326,188.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,855.48 : 1,125,045.65 = 217,408.46 : x
  2. Step 2: Convert to fraction form
    749,855.48/1,125,045.65 = 217,408.46/x
  3. Step 3: Cross multiply
    749,855.48x = 1,125,045.65 × 217,408.46
  4. Step 4: Simplify right side
    749,855.48x = 244,594,437,114.49
  5. Step 5: Solve for x
    x = 244,594,437,114.49/749,855.48
  6. Step 6: Final answer
    x = 326,188.77

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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.