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Finding the Fourth Proportional to 574,264.80, 860,967.36 and 396,263.52

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Solution

The fourth proportional to 574,264.80, 860,967.36 and 396,263.52 is: 594,098.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,264.80 : 860,967.36 = 396,263.52 : x
  2. Step 2: Convert to fraction form
    574,264.80/860,967.36 = 396,263.52/x
  3. Step 3: Cross multiply
    574,264.80x = 860,967.36 × 396,263.52
  4. Step 4: Simplify right side
    574,264.80x = 341,169,956,678.71
  5. Step 5: Solve for x
    x = 341,169,956,678.71/574,264.80
  6. Step 6: Final answer
    x = 594,098.67

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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.