Home / 1,478,498.19-2,217,408.30-413,647.89

Finding the Fourth Proportional to 1,478,498.19, 2,217,408.30 and 413,647.89

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Solution

The fourth proportional to 1,478,498.19, 2,217,408.30 and 413,647.89 is: 620,377.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,498.19 : 2,217,408.30 = 413,647.89 : x
  2. Step 2: Convert to fraction form
    1,478,498.19/2,217,408.30 = 413,647.89/x
  3. Step 3: Cross multiply
    1,478,498.19x = 2,217,408.30 × 413,647.89
  4. Step 4: Simplify right side
    1,478,498.19x = 917,226,264,563.49
  5. Step 5: Solve for x
    x = 917,226,264,563.49/1,478,498.19
  6. Step 6: Final answer
    x = 620,377.00

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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.