Home / 748,898.40-1,123,347.60-571,751.40

Finding the Fourth Proportional to 748,898.40, 1,123,347.60 and 571,751.40

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Solution

The fourth proportional to 748,898.40, 1,123,347.60 and 571,751.40 is: 857,627.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,898.40 : 1,123,347.60 = 571,751.40 : x
  2. Step 2: Convert to fraction form
    748,898.40/1,123,347.60 = 571,751.40/x
  3. Step 3: Cross multiply
    748,898.40x = 1,123,347.60 × 571,751.40
  4. Step 4: Simplify right side
    748,898.40x = 642,275,562,986.64
  5. Step 5: Solve for x
    x = 642,275,562,986.64/748,898.40
  6. Step 6: Final answer
    x = 857,627.10

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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.