Home / 685,666.74-946,193.96-375,564.40

Finding the Fourth Proportional to 685,666.74, 946,193.96 and 375,564.40

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Solution

The fourth proportional to 685,666.74, 946,193.96 and 375,564.40 is: 518,264.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,666.74 : 946,193.96 = 375,564.40 : x
  2. Step 2: Convert to fraction form
    685,666.74/946,193.96 = 375,564.40/x
  3. Step 3: Cross multiply
    685,666.74x = 946,193.96 × 375,564.40
  4. Step 4: Simplify right side
    685,666.74x = 355,356,766,871.02
  5. Step 5: Solve for x
    x = 355,356,766,871.02/685,666.74
  6. Step 6: Final answer
    x = 518,264.55

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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.