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Finding the Fourth Proportional to 632,568.80, 872,947.06 and 346,088

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Solution

The fourth proportional to 632,568.80, 872,947.06 and 346,088 is: 477,602.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,568.80 : 872,947.06 = 346,088 : x
  2. Step 2: Convert to fraction form
    632,568.80/872,947.06 = 346,088/x
  3. Step 3: Cross multiply
    632,568.80x = 872,947.06 × 346,088
  4. Step 4: Simplify right side
    632,568.80x = 302,116,502,101.28
  5. Step 5: Solve for x
    x = 302,116,502,101.28/632,568.80
  6. Step 6: Final answer
    x = 477,602.60

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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.