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Finding the Fourth Proportional to 637,941.04, 879,767.30 and 465,586

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Solution

The fourth proportional to 637,941.04, 879,767.30 and 465,586 is: 642,077.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,941.04 : 879,767.30 = 465,586 : x
  2. Step 2: Convert to fraction form
    637,941.04/879,767.30 = 465,586/x
  3. Step 3: Cross multiply
    637,941.04x = 879,767.30 × 465,586
  4. Step 4: Simplify right side
    637,941.04x = 409,607,338,137.80
  5. Step 5: Solve for x
    x = 409,607,338,137.80/637,941.04
  6. Step 6: Final answer
    x = 642,077.11

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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.