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Finding the Fourth Proportional to 616,004.20, 922,694.10 and 497,906.20

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Solution

The fourth proportional to 616,004.20, 922,694.10 and 497,906.20 is: 745,798.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,004.20 : 922,694.10 = 497,906.20 : x
  2. Step 2: Convert to fraction form
    616,004.20/922,694.10 = 497,906.20/x
  3. Step 3: Cross multiply
    616,004.20x = 922,694.10 × 497,906.20
  4. Step 4: Simplify right side
    616,004.20x = 459,415,113,093.42
  5. Step 5: Solve for x
    x = 459,415,113,093.42/616,004.20
  6. Step 6: Final answer
    x = 745,798.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.