Home / 749,938.31-1,034,914.19-423,320.07

Finding the Fourth Proportional to 749,938.31, 1,034,914.19 and 423,320.07

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Solution

The fourth proportional to 749,938.31, 1,034,914.19 and 423,320.07 is: 584,181.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,938.31 : 1,034,914.19 = 423,320.07 : x
  2. Step 2: Convert to fraction form
    749,938.31/1,034,914.19 = 423,320.07/x
  3. Step 3: Cross multiply
    749,938.31x = 1,034,914.19 × 423,320.07
  4. Step 4: Simplify right side
    749,938.31x = 438,099,947,354.79
  5. Step 5: Solve for x
    x = 438,099,947,354.79/749,938.31
  6. Step 6: Final answer
    x = 584,181.31

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1.5x scale

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.