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Finding the Fourth Proportional to 608,587.38, 912,964.12 and 253,518.36

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Solution

The fourth proportional to 608,587.38, 912,964.12 and 253,518.36 is: 380,312.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,587.38 : 912,964.12 = 253,518.36 : x
  2. Step 2: Convert to fraction form
    608,587.38/912,964.12 = 253,518.36/x
  3. Step 3: Cross multiply
    608,587.38x = 912,964.12 × 253,518.36
  4. Step 4: Simplify right side
    608,587.38x = 231,453,170,585.66
  5. Step 5: Solve for x
    x = 231,453,170,585.66/608,587.38
  6. Step 6: Final answer
    x = 380,312.14

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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.