Home / 558,920.93-771,298.67-326,387.81

Finding the Fourth Proportional to 558,920.93, 771,298.67 and 326,387.81

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Solution

The fourth proportional to 558,920.93, 771,298.67 and 326,387.81 is: 450,408.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,920.93 : 771,298.67 = 326,387.81 : x
  2. Step 2: Convert to fraction form
    558,920.93/771,298.67 = 326,387.81/x
  3. Step 3: Cross multiply
    558,920.93x = 771,298.67 × 326,387.81
  4. Step 4: Simplify right side
    558,920.93x = 251,742,486,501.43
  5. Step 5: Solve for x
    x = 251,742,486,501.43/558,920.93
  6. Step 6: Final answer
    x = 450,408.05

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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.