Home / 732,145.40-1,010,352.86-409,858.15

Finding the Fourth Proportional to 732,145.40, 1,010,352.86 and 409,858.15

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Solution

The fourth proportional to 732,145.40, 1,010,352.86 and 409,858.15 is: 565,599.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,145.40 : 1,010,352.86 = 409,858.15 : x
  2. Step 2: Convert to fraction form
    732,145.40/1,010,352.86 = 409,858.15/x
  3. Step 3: Cross multiply
    732,145.40x = 1,010,352.86 × 409,858.15
  4. Step 4: Simplify right side
    732,145.40x = 414,101,350,019.69
  5. Step 5: Solve for x
    x = 414,101,350,019.69/732,145.40
  6. Step 6: Final answer
    x = 565,599.88

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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.