Home / 638,565.63-881,226.59-352,095.90

Finding the Fourth Proportional to 638,565.63, 881,226.59 and 352,095.90

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Solution

The fourth proportional to 638,565.63, 881,226.59 and 352,095.90 is: 485,895.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,565.63 : 881,226.59 = 352,095.90 : x
  2. Step 2: Convert to fraction form
    638,565.63/881,226.59 = 352,095.90/x
  3. Step 3: Cross multiply
    638,565.63x = 881,226.59 × 352,095.90
  4. Step 4: Simplify right side
    638,565.63x = 310,276,267,549.50
  5. Step 5: Solve for x
    x = 310,276,267,549.50/638,565.63
  6. Step 6: Final answer
    x = 485,895.66

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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.