Home / 747,430.10-1,120,817.10-298,001.60

Finding the Fourth Proportional to 747,430.10, 1,120,817.10 and 298,001.60

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Solution

The fourth proportional to 747,430.10, 1,120,817.10 and 298,001.60 is: 446,871.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,430.10 : 1,120,817.10 = 298,001.60 : x
  2. Step 2: Convert to fraction form
    747,430.10/1,120,817.10 = 298,001.60/x
  3. Step 3: Cross multiply
    747,430.10x = 1,120,817.10 × 298,001.60
  4. Step 4: Simplify right side
    747,430.10x = 334,005,289,107.36
  5. Step 5: Solve for x
    x = 334,005,289,107.36/747,430.10
  6. Step 6: Final answer
    x = 446,871.61

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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.