Home / 648,564.48-895,019.76-362,084.40

Finding the Fourth Proportional to 648,564.48, 895,019.76 and 362,084.40

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Solution

The fourth proportional to 648,564.48, 895,019.76 and 362,084.40 is: 499,676.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,564.48 : 895,019.76 = 362,084.40 : x
  2. Step 2: Convert to fraction form
    648,564.48/895,019.76 = 362,084.40/x
  3. Step 3: Cross multiply
    648,564.48x = 895,019.76 × 362,084.40
  4. Step 4: Simplify right side
    648,564.48x = 324,072,692,787.74
  5. Step 5: Solve for x
    x = 324,072,692,787.74/648,564.48
  6. Step 6: Final answer
    x = 499,676.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.