Home / 877,404.92-1,316,154.12-278,412.96

Finding the Fourth Proportional to 877,404.92, 1,316,154.12 and 278,412.96

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Solution

The fourth proportional to 877,404.92, 1,316,154.12 and 278,412.96 is: 417,634.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,404.92 : 1,316,154.12 = 278,412.96 : x
  2. Step 2: Convert to fraction form
    877,404.92/1,316,154.12 = 278,412.96/x
  3. Step 3: Cross multiply
    877,404.92x = 1,316,154.12 × 278,412.96
  4. Step 4: Simplify right side
    877,404.92x = 366,434,357,784.63
  5. Step 5: Solve for x
    x = 366,434,357,784.63/877,404.92
  6. Step 6: Final answer
    x = 417,634.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.