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Finding the Fourth Proportional to 671,669.65, 926,193.76 and 518,732.74

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Solution

The fourth proportional to 671,669.65, 926,193.76 and 518,732.74 is: 715,302.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,669.65 : 926,193.76 = 518,732.74 : x
  2. Step 2: Convert to fraction form
    671,669.65/926,193.76 = 518,732.74/x
  3. Step 3: Cross multiply
    671,669.65x = 926,193.76 × 518,732.74
  4. Step 4: Simplify right side
    671,669.65x = 480,447,026,895.70
  5. Step 5: Solve for x
    x = 480,447,026,895.70/671,669.65
  6. Step 6: Final answer
    x = 715,302.57

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1.5x scale

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.