Home / 657,047.10-985,898.70-372,955.80

Finding the Fourth Proportional to 657,047.10, 985,898.70 and 372,955.80

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Solution

The fourth proportional to 657,047.10, 985,898.70 and 372,955.80 is: 559,619.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,047.10 : 985,898.70 = 372,955.80 : x
  2. Step 2: Convert to fraction form
    657,047.10/985,898.70 = 372,955.80/x
  3. Step 3: Cross multiply
    657,047.10x = 985,898.70 × 372,955.80
  4. Step 4: Simplify right side
    657,047.10x = 367,696,638,377.46
  5. Step 5: Solve for x
    x = 367,696,638,377.46/657,047.10
  6. Step 6: Final answer
    x = 559,619.91

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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.