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Finding the Fourth Proportional to 608,464.80, 912,826.80 and 187,783.20

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Solution

The fourth proportional to 608,464.80, 912,826.80 and 187,783.20 is: 281,714.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,464.80 : 912,826.80 = 187,783.20 : x
  2. Step 2: Convert to fraction form
    608,464.80/912,826.80 = 187,783.20/x
  3. Step 3: Cross multiply
    608,464.80x = 912,826.80 × 187,783.20
  4. Step 4: Simplify right side
    608,464.80x = 171,413,537,549.76
  5. Step 5: Solve for x
    x = 171,413,537,549.76/608,464.80
  6. Step 6: Final answer
    x = 281,714.80

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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.