Home / 689,661.60-1,034,968.08-240,386.16

Finding the Fourth Proportional to 689,661.60, 1,034,968.08 and 240,386.16

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Solution

The fourth proportional to 689,661.60, 1,034,968.08 and 240,386.16 is: 360,745.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,661.60 : 1,034,968.08 = 240,386.16 : x
  2. Step 2: Convert to fraction form
    689,661.60/1,034,968.08 = 240,386.16/x
  3. Step 3: Cross multiply
    689,661.60x = 1,034,968.08 × 240,386.16
  4. Step 4: Simplify right side
    689,661.60x = 248,792,002,473.77
  5. Step 5: Solve for x
    x = 248,792,002,473.77/689,661.60
  6. Step 6: Final answer
    x = 360,745.04

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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.