Home / 877,904.71-1,316,858.75-338,415.04

Finding the Fourth Proportional to 877,904.71, 1,316,858.75 and 338,415.04

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Solution

The fourth proportional to 877,904.71, 1,316,858.75 and 338,415.04 is: 507,623.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,904.71 : 1,316,858.75 = 338,415.04 : x
  2. Step 2: Convert to fraction form
    877,904.71/1,316,858.75 = 338,415.04/x
  3. Step 3: Cross multiply
    877,904.71x = 1,316,858.75 × 338,415.04
  4. Step 4: Simplify right side
    877,904.71x = 445,644,800,817.34
  5. Step 5: Solve for x
    x = 445,644,800,817.34/877,904.71
  6. Step 6: Final answer
    x = 507,623.21

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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.