Home / 688,291.01-1,032,584.27-288,701.48

Finding the Fourth Proportional to 688,291.01, 1,032,584.27 and 288,701.48

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Solution

The fourth proportional to 688,291.01, 1,032,584.27 and 288,701.48 is: 433,114.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,291.01 : 1,032,584.27 = 288,701.48 : x
  2. Step 2: Convert to fraction form
    688,291.01/1,032,584.27 = 288,701.48/x
  3. Step 3: Cross multiply
    688,291.01x = 1,032,584.27 × 288,701.48
  4. Step 4: Simplify right side
    688,291.01x = 298,108,606,973.72
  5. Step 5: Solve for x
    x = 298,108,606,973.72/688,291.01
  6. Step 6: Final answer
    x = 433,114.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.