Home / 679,304.11-1,018,051.96-359,387.70

Finding the Fourth Proportional to 679,304.11, 1,018,051.96 and 359,387.70

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Solution

The fourth proportional to 679,304.11, 1,018,051.96 and 359,387.70 is: 538,603.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,304.11 : 1,018,051.96 = 359,387.70 : x
  2. Step 2: Convert to fraction form
    679,304.11/1,018,051.96 = 359,387.70/x
  3. Step 3: Cross multiply
    679,304.11x = 1,018,051.96 × 359,387.70
  4. Step 4: Simplify right side
    679,304.11x = 365,875,348,258.07
  5. Step 5: Solve for x
    x = 365,875,348,258.07/679,304.11
  6. Step 6: Final answer
    x = 538,603.17

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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.