Home / 377,508.41-520,965.29-207,746.45

Finding the Fourth Proportional to 377,508.41, 520,965.29 and 207,746.45

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Solution

The fourth proportional to 377,508.41, 520,965.29 and 207,746.45 is: 286,692.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,508.41 : 520,965.29 = 207,746.45 : x
  2. Step 2: Convert to fraction form
    377,508.41/520,965.29 = 207,746.45/x
  3. Step 3: Cross multiply
    377,508.41x = 520,965.29 × 207,746.45
  4. Step 4: Simplify right side
    377,508.41x = 108,228,688,531.99
  5. Step 5: Solve for x
    x = 108,228,688,531.99/377,508.41
  6. Step 6: Final answer
    x = 286,692.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.