Home / 559,214.38-771,715.76-304,565.57

Finding the Fourth Proportional to 559,214.38, 771,715.76 and 304,565.57

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Solution

The fourth proportional to 559,214.38, 771,715.76 and 304,565.57 is: 420,300.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,214.38 : 771,715.76 = 304,565.57 : x
  2. Step 2: Convert to fraction form
    559,214.38/771,715.76 = 304,565.57/x
  3. Step 3: Cross multiply
    559,214.38x = 771,715.76 × 304,565.57
  4. Step 4: Simplify right side
    559,214.38x = 235,038,047,834.91
  5. Step 5: Solve for x
    x = 235,038,047,834.91/559,214.38
  6. Step 6: Final answer
    x = 420,300.44

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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.