Home / 877,900.08-1,316,896.02-278,908.32

Finding the Fourth Proportional to 877,900.08, 1,316,896.02 and 278,908.32

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Solution

The fourth proportional to 877,900.08, 1,316,896.02 and 278,908.32 is: 418,377.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,900.08 : 1,316,896.02 = 278,908.32 : x
  2. Step 2: Convert to fraction form
    877,900.08/1,316,896.02 = 278,908.32/x
  3. Step 3: Cross multiply
    877,900.08x = 1,316,896.02 × 278,908.32
  4. Step 4: Simplify right side
    877,900.08x = 367,293,256,552.89
  5. Step 5: Solve for x
    x = 367,293,256,552.89/877,900.08
  6. Step 6: Final answer
    x = 418,377.06

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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.