Home / 877,740.71-1,316,237.20-344,887.94

Finding the Fourth Proportional to 877,740.71, 1,316,237.20 and 344,887.94

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Solution

The fourth proportional to 877,740.71, 1,316,237.20 and 344,887.94 is: 517,185.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,740.71 : 1,316,237.20 = 344,887.94 : x
  2. Step 2: Convert to fraction form
    877,740.71/1,316,237.20 = 344,887.94/x
  3. Step 3: Cross multiply
    877,740.71x = 1,316,237.20 × 344,887.94
  4. Step 4: Simplify right side
    877,740.71x = 453,954,338,887.74
  5. Step 5: Solve for x
    x = 453,954,338,887.74/877,740.71
  6. Step 6: Final answer
    x = 517,185.01

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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.