Home / 877,503.06-1,316,453.31-278,500.50

Finding the Fourth Proportional to 877,503.06, 1,316,453.31 and 278,500.50

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Solution

The fourth proportional to 877,503.06, 1,316,453.31 and 278,500.50 is: 417,813.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,503.06 : 1,316,453.31 = 278,500.50 : x
  2. Step 2: Convert to fraction form
    877,503.06/1,316,453.31 = 278,500.50/x
  3. Step 3: Cross multiply
    877,503.06x = 1,316,453.31 × 278,500.50
  4. Step 4: Simplify right side
    877,503.06x = 366,632,905,061.66
  5. Step 5: Solve for x
    x = 366,632,905,061.66/877,503.06
  6. Step 6: Final answer
    x = 417,813.82

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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.