Home / 753,345.51-1,039,624.44-409,184.76

Finding the Fourth Proportional to 753,345.51, 1,039,624.44 and 409,184.76

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Solution

The fourth proportional to 753,345.51, 1,039,624.44 and 409,184.76 is: 564,679.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,345.51 : 1,039,624.44 = 409,184.76 : x
  2. Step 2: Convert to fraction form
    753,345.51/1,039,624.44 = 409,184.76/x
  3. Step 3: Cross multiply
    753,345.51x = 1,039,624.44 × 409,184.76
  4. Step 4: Simplify right side
    753,345.51x = 425,398,476,971.53
  5. Step 5: Solve for x
    x = 425,398,476,971.53/753,345.51
  6. Step 6: Final answer
    x = 564,679.12

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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.