Home / 730,719.22-1,008,323.28-408,421.96

Finding the Fourth Proportional to 730,719.22, 1,008,323.28 and 408,421.96

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Solution

The fourth proportional to 730,719.22, 1,008,323.28 and 408,421.96 is: 563,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,719.22 : 1,008,323.28 = 408,421.96 : x
  2. Step 2: Convert to fraction form
    730,719.22/1,008,323.28 = 408,421.96/x
  3. Step 3: Cross multiply
    730,719.22x = 1,008,323.28 × 408,421.96
  4. Step 4: Simplify right side
    730,719.22x = 411,821,370,331.23
  5. Step 5: Solve for x
    x = 411,821,370,331.23/730,719.22
  6. Step 6: Final answer
    x = 563,583.60

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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.