Home / 877,646.28-1,316,945.70-372,491.40

Finding the Fourth Proportional to 877,646.28, 1,316,945.70 and 372,491.40

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Solution

The fourth proportional to 877,646.28, 1,316,945.70 and 372,491.40 is: 558,939.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,646.28 : 1,316,945.70 = 372,491.40 : x
  2. Step 2: Convert to fraction form
    877,646.28/1,316,945.70 = 372,491.40/x
  3. Step 3: Cross multiply
    877,646.28x = 1,316,945.70 × 372,491.40
  4. Step 4: Simplify right side
    877,646.28x = 490,550,947,516.98
  5. Step 5: Solve for x
    x = 490,550,947,516.98/877,646.28
  6. Step 6: Final answer
    x = 558,939.24

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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.