Home / 947,981.98-1,308,219.76-518,262.13

Finding the Fourth Proportional to 947,981.98, 1,308,219.76 and 518,262.13

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Solution

The fourth proportional to 947,981.98, 1,308,219.76 and 518,262.13 is: 715,204.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,981.98 : 1,308,219.76 = 518,262.13 : x
  2. Step 2: Convert to fraction form
    947,981.98/1,308,219.76 = 518,262.13/x
  3. Step 3: Cross multiply
    947,981.98x = 1,308,219.76 × 518,262.13
  4. Step 4: Simplify right side
    947,981.98x = 678,000,759,325.69
  5. Step 5: Solve for x
    x = 678,000,759,325.69/947,981.98
  6. Step 6: Final answer
    x = 715,204.27

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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.