Home / 520,746.19-718,595.83-291,263.72

Finding the Fourth Proportional to 520,746.19, 718,595.83 and 291,263.72

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Solution

The fourth proportional to 520,746.19, 718,595.83 and 291,263.72 is: 401,924.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,746.19 : 718,595.83 = 291,263.72 : x
  2. Step 2: Convert to fraction form
    520,746.19/718,595.83 = 291,263.72/x
  3. Step 3: Cross multiply
    520,746.19x = 718,595.83 × 291,263.72
  4. Step 4: Simplify right side
    520,746.19x = 209,300,894,622.29
  5. Step 5: Solve for x
    x = 209,300,894,622.29/520,746.19
  6. Step 6: Final answer
    x = 401,924.97

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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.