Home / 877,275.60-1,316,038.94-270,115.29

Finding the Fourth Proportional to 877,275.60, 1,316,038.94 and 270,115.29

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Solution

The fourth proportional to 877,275.60, 1,316,038.94 and 270,115.29 is: 405,211.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,275.60 : 1,316,038.94 = 270,115.29 : x
  2. Step 2: Convert to fraction form
    877,275.60/1,316,038.94 = 270,115.29/x
  3. Step 3: Cross multiply
    877,275.60x = 1,316,038.94 × 270,115.29
  4. Step 4: Simplify right side
    877,275.60x = 355,482,238,578.82
  5. Step 5: Solve for x
    x = 355,482,238,578.82/877,275.60
  6. Step 6: Final answer
    x = 405,211.59

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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.