Home / 802,935.81-1,108,065.59-440,356.49

Finding the Fourth Proportional to 802,935.81, 1,108,065.59 and 440,356.49

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Solution

The fourth proportional to 802,935.81, 1,108,065.59 and 440,356.49 is: 607,699.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,935.81 : 1,108,065.59 = 440,356.49 : x
  2. Step 2: Convert to fraction form
    802,935.81/1,108,065.59 = 440,356.49/x
  3. Step 3: Cross multiply
    802,935.81x = 1,108,065.59 × 440,356.49
  4. Step 4: Simplify right side
    802,935.81x = 487,943,877,773.23
  5. Step 5: Solve for x
    x = 487,943,877,773.23/802,935.81
  6. Step 6: Final answer
    x = 607,699.73

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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.