Home / 877,323.58-1,316,032.14-278,332.66

Finding the Fourth Proportional to 877,323.58, 1,316,032.14 and 278,332.66

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Solution

The fourth proportional to 877,323.58, 1,316,032.14 and 278,332.66 is: 417,513.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,323.58 : 1,316,032.14 = 278,332.66 : x
  2. Step 2: Convert to fraction form
    877,323.58/1,316,032.14 = 278,332.66/x
  3. Step 3: Cross multiply
    877,323.58x = 1,316,032.14 × 278,332.66
  4. Step 4: Simplify right side
    877,323.58x = 366,294,726,171.69
  5. Step 5: Solve for x
    x = 366,294,726,171.69/877,323.58
  6. Step 6: Final answer
    x = 417,513.83

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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.