Home / 926,509.69-1,387,954.56-638,270.48

Finding the Fourth Proportional to 926,509.69, 1,387,954.56 and 638,270.48

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Solution

The fourth proportional to 926,509.69, 1,387,954.56 and 638,270.48 is: 956,158.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,509.69 : 1,387,954.56 = 638,270.48 : x
  2. Step 2: Convert to fraction form
    926,509.69/1,387,954.56 = 638,270.48/x
  3. Step 3: Cross multiply
    926,509.69x = 1,387,954.56 × 638,270.48
  4. Step 4: Simplify right side
    926,509.69x = 885,890,426,699.28
  5. Step 5: Solve for x
    x = 885,890,426,699.28/926,509.69
  6. Step 6: Final answer
    x = 956,158.84

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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.