Home / 877,013.82-1,315,292.38-371,314.50

Finding the Fourth Proportional to 877,013.82, 1,315,292.38 and 371,314.50

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Solution

The fourth proportional to 877,013.82, 1,315,292.38 and 371,314.50 is: 556,875.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,013.82 : 1,315,292.38 = 371,314.50 : x
  2. Step 2: Convert to fraction form
    877,013.82/1,315,292.38 = 371,314.50/x
  3. Step 3: Cross multiply
    877,013.82x = 1,315,292.38 × 371,314.50
  4. Step 4: Simplify right side
    877,013.82x = 488,387,132,433.51
  5. Step 5: Solve for x
    x = 488,387,132,433.51/877,013.82
  6. Step 6: Final answer
    x = 556,875.07

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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.