Home / 802,984.26-1,108,114.95-440,398.50

Finding the Fourth Proportional to 802,984.26, 1,108,114.95 and 440,398.50

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Solution

The fourth proportional to 802,984.26, 1,108,114.95 and 440,398.50 is: 607,748.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,984.26 : 1,108,114.95 = 440,398.50 : x
  2. Step 2: Convert to fraction form
    802,984.26/1,108,114.95 = 440,398.50/x
  3. Step 3: Cross multiply
    802,984.26x = 1,108,114.95 × 440,398.50
  4. Step 4: Simplify right side
    802,984.26x = 488,012,161,807.58
  5. Step 5: Solve for x
    x = 488,012,161,807.58/802,984.26
  6. Step 6: Final answer
    x = 607,748.10

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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.