Home / 802,428.26-1,106,705.28-705,424.71

Finding the Fourth Proportional to 802,428.26, 1,106,705.28 and 705,424.71

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Solution

The fourth proportional to 802,428.26, 1,106,705.28 and 705,424.71 is: 972,918.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,428.26 : 1,106,705.28 = 705,424.71 : x
  2. Step 2: Convert to fraction form
    802,428.26/1,106,705.28 = 705,424.71/x
  3. Step 3: Cross multiply
    802,428.26x = 1,106,705.28 × 705,424.71
  4. Step 4: Simplify right side
    802,428.26x = 780,697,251,199.47
  5. Step 5: Solve for x
    x = 780,697,251,199.47/802,428.26
  6. Step 6: Final answer
    x = 972,918.45

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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.