Home / 769,828.60-1,154,769.30-237,345.40

Finding the Fourth Proportional to 769,828.60, 1,154,769.30 and 237,345.40

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Solution

The fourth proportional to 769,828.60, 1,154,769.30 and 237,345.40 is: 356,026.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,828.60 : 1,154,769.30 = 237,345.40 : x
  2. Step 2: Convert to fraction form
    769,828.60/1,154,769.30 = 237,345.40/x
  3. Step 3: Cross multiply
    769,828.60x = 1,154,769.30 × 237,345.40
  4. Step 4: Simplify right side
    769,828.60x = 274,079,181,416.22
  5. Step 5: Solve for x
    x = 274,079,181,416.22/769,828.60
  6. Step 6: Final answer
    x = 356,026.24

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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.