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Finding the Fourth Proportional to 576,281.40, 865,199.70 and 366,329.40

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Solution

The fourth proportional to 576,281.40, 865,199.70 and 366,329.40 is: 549,988.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,281.40 : 865,199.70 = 366,329.40 : x
  2. Step 2: Convert to fraction form
    576,281.40/865,199.70 = 366,329.40/x
  3. Step 3: Cross multiply
    576,281.40x = 865,199.70 × 366,329.40
  4. Step 4: Simplify right side
    576,281.40x = 316,948,086,981.18
  5. Step 5: Solve for x
    x = 316,948,086,981.18/576,281.40
  6. Step 6: Final answer
    x = 549,988.40

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