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Finding the Fourth Proportional to 608,458.34, 912,689.06 and 248,629.18

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Solution

The fourth proportional to 608,458.34, 912,689.06 and 248,629.18 is: 372,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,458.34 : 912,689.06 = 248,629.18 : x
  2. Step 2: Convert to fraction form
    608,458.34/912,689.06 = 248,629.18/x
  3. Step 3: Cross multiply
    608,458.34x = 912,689.06 × 248,629.18
  4. Step 4: Simplify right side
    608,458.34x = 226,921,132,582.77
  5. Step 5: Solve for x
    x = 226,921,132,582.77/608,458.34
  6. Step 6: Final answer
    x = 372,944.40

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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.