Home / 749,048.96-1,124,413.04-300,082.80

Finding the Fourth Proportional to 749,048.96, 1,124,413.04 and 300,082.80

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Solution

The fourth proportional to 749,048.96, 1,124,413.04 and 300,082.80 is: 450,460.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,048.96 : 1,124,413.04 = 300,082.80 : x
  2. Step 2: Convert to fraction form
    749,048.96/1,124,413.04 = 300,082.80/x
  3. Step 3: Cross multiply
    749,048.96x = 1,124,413.04 × 300,082.80
  4. Step 4: Simplify right side
    749,048.96x = 337,417,013,399.71
  5. Step 5: Solve for x
    x = 337,417,013,399.71/749,048.96
  6. Step 6: Final answer
    x = 450,460.56

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Double scale
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Similar ratio
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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.