Home / 730,768.89-1,008,462.25-408,478.67

Finding the Fourth Proportional to 730,768.89, 1,008,462.25 and 408,478.67

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Solution

The fourth proportional to 730,768.89, 1,008,462.25 and 408,478.67 is: 563,701.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,768.89 : 1,008,462.25 = 408,478.67 : x
  2. Step 2: Convert to fraction form
    730,768.89/1,008,462.25 = 408,478.67/x
  3. Step 3: Cross multiply
    730,768.89x = 1,008,462.25 × 408,478.67
  4. Step 4: Simplify right side
    730,768.89x = 411,935,318,625.21
  5. Step 5: Solve for x
    x = 411,935,318,625.21/730,768.89
  6. Step 6: Final answer
    x = 563,701.23

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Double scale
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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.