Home / 761,788.56-1,051,268.06-417,626.92

Finding the Fourth Proportional to 761,788.56, 1,051,268.06 and 417,626.92

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Solution

The fourth proportional to 761,788.56, 1,051,268.06 and 417,626.92 is: 576,325.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,788.56 : 1,051,268.06 = 417,626.92 : x
  2. Step 2: Convert to fraction form
    761,788.56/1,051,268.06 = 417,626.92/x
  3. Step 3: Cross multiply
    761,788.56x = 1,051,268.06 × 417,626.92
  4. Step 4: Simplify right side
    761,788.56x = 439,037,841,992.18
  5. Step 5: Solve for x
    x = 439,037,841,992.18/761,788.56
  6. Step 6: Final answer
    x = 576,325.07

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Double scale
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Similar ratio
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1.5x scale

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.