Home / 679,533.16-937,699.96-400,085.94

Finding the Fourth Proportional to 679,533.16, 937,699.96 and 400,085.94

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Solution

The fourth proportional to 679,533.16, 937,699.96 and 400,085.94 is: 552,085.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,533.16 : 937,699.96 = 400,085.94 : x
  2. Step 2: Convert to fraction form
    679,533.16/937,699.96 = 400,085.94/x
  3. Step 3: Cross multiply
    679,533.16x = 937,699.96 × 400,085.94
  4. Step 4: Simplify right side
    679,533.16x = 375,160,564,563.80
  5. Step 5: Solve for x
    x = 375,160,564,563.80/679,533.16
  6. Step 6: Final answer
    x = 552,085.73

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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.