Home / 747,484.25-1,031,513.87-407,954.93

Finding the Fourth Proportional to 747,484.25, 1,031,513.87 and 407,954.93

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Solution

The fourth proportional to 747,484.25, 1,031,513.87 and 407,954.93 is: 562,969.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,484.25 : 1,031,513.87 = 407,954.93 : x
  2. Step 2: Convert to fraction form
    747,484.25/1,031,513.87 = 407,954.93/x
  3. Step 3: Cross multiply
    747,484.25x = 1,031,513.87 × 407,954.93
  4. Step 4: Simplify right side
    747,484.25x = 420,811,164,492.20
  5. Step 5: Solve for x
    x = 420,811,164,492.20/747,484.25
  6. Step 6: Final answer
    x = 562,969.95

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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.