Home / 913,415.90-1,371,355.05-534,724.70

Finding the Fourth Proportional to 913,415.90, 1,371,355.05 and 534,724.70

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Solution

The fourth proportional to 913,415.90, 1,371,355.05 and 534,724.70 is: 802,807.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,415.90 : 1,371,355.05 = 534,724.70 : x
  2. Step 2: Convert to fraction form
    913,415.90/1,371,355.05 = 534,724.70/x
  3. Step 3: Cross multiply
    913,415.90x = 1,371,355.05 × 534,724.70
  4. Step 4: Simplify right side
    913,415.90x = 733,297,417,704.74
  5. Step 5: Solve for x
    x = 733,297,417,704.74/913,415.90
  6. Step 6: Final answer
    x = 802,807.81

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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.