Home / 877,274.08-1,316,036.64-270,113.76

Finding the Fourth Proportional to 877,274.08, 1,316,036.64 and 270,113.76

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Solution

The fourth proportional to 877,274.08, 1,316,036.64 and 270,113.76 is: 405,209.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,274.08 : 1,316,036.64 = 270,113.76 : x
  2. Step 2: Convert to fraction form
    877,274.08/1,316,036.64 = 270,113.76/x
  3. Step 3: Cross multiply
    877,274.08x = 1,316,036.64 × 270,113.76
  4. Step 4: Simplify right side
    877,274.08x = 355,479,605,128.17
  5. Step 5: Solve for x
    x = 355,479,605,128.17/877,274.08
  6. Step 6: Final answer
    x = 405,209.29

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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.