Home / 900,140.63-1,350,875.55-426,827.66

Finding the Fourth Proportional to 900,140.63, 1,350,875.55 and 426,827.66

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Solution

The fourth proportional to 900,140.63, 1,350,875.55 and 426,827.66 is: 640,556.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,140.63 : 1,350,875.55 = 426,827.66 : x
  2. Step 2: Convert to fraction form
    900,140.63/1,350,875.55 = 426,827.66/x
  3. Step 3: Cross multiply
    900,140.63x = 1,350,875.55 × 426,827.66
  4. Step 4: Simplify right side
    900,140.63x = 576,591,043,203.34
  5. Step 5: Solve for x
    x = 576,591,043,203.34/900,140.63
  6. Step 6: Final answer
    x = 640,556.63

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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.