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Finding the Fourth Proportional to 632,567.16, 872,955.29 and 346,093.40

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Solution

The fourth proportional to 632,567.16, 872,955.29 and 346,093.40 is: 477,615.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,567.16 : 872,955.29 = 346,093.40 : x
  2. Step 2: Convert to fraction form
    632,567.16/872,955.29 = 346,093.40/x
  3. Step 3: Cross multiply
    632,567.16x = 872,955.29 × 346,093.40
  4. Step 4: Simplify right side
    632,567.16x = 302,124,058,268.84
  5. Step 5: Solve for x
    x = 302,124,058,268.84/632,567.16
  6. Step 6: Final answer
    x = 477,615.78

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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.