Home / 877,357.92-1,316,036.73-478,334.25

Finding the Fourth Proportional to 877,357.92, 1,316,036.73 and 478,334.25

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Solution

The fourth proportional to 877,357.92, 1,316,036.73 and 478,334.25 is: 717,501.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,357.92 : 1,316,036.73 = 478,334.25 : x
  2. Step 2: Convert to fraction form
    877,357.92/1,316,036.73 = 478,334.25/x
  3. Step 3: Cross multiply
    877,357.92x = 1,316,036.73 × 478,334.25
  4. Step 4: Simplify right side
    877,357.92x = 629,505,442,217.00
  5. Step 5: Solve for x
    x = 629,505,442,217.00/877,357.92
  6. Step 6: Final answer
    x = 717,501.29

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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.