Home / 747,894.31-1,122,191.81-368,608.28

Finding the Fourth Proportional to 747,894.31, 1,122,191.81 and 368,608.28

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Solution

The fourth proportional to 747,894.31, 1,122,191.81 and 368,608.28 is: 553,085.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,894.31 : 1,122,191.81 = 368,608.28 : x
  2. Step 2: Convert to fraction form
    747,894.31/1,122,191.81 = 368,608.28/x
  3. Step 3: Cross multiply
    747,894.31x = 1,122,191.81 × 368,608.28
  4. Step 4: Simplify right side
    747,894.31x = 413,649,191,050.69
  5. Step 5: Solve for x
    x = 413,649,191,050.69/747,894.31
  6. Step 6: Final answer
    x = 553,085.09

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1.5x scale

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.