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Finding the Fourth Proportional to 676,483.26, 933,192.96 and 418,277.67

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Solution

The fourth proportional to 676,483.26, 933,192.96 and 418,277.67 is: 577,004.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,483.26 : 933,192.96 = 418,277.67 : x
  2. Step 2: Convert to fraction form
    676,483.26/933,192.96 = 418,277.67/x
  3. Step 3: Cross multiply
    676,483.26x = 933,192.96 × 418,277.67
  4. Step 4: Simplify right side
    676,483.26x = 390,333,776,969.20
  5. Step 5: Solve for x
    x = 390,333,776,969.20/676,483.26
  6. Step 6: Final answer
    x = 577,004.34

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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.