Home / 802,342.85-1,107,259.91-439,767.63

Finding the Fourth Proportional to 802,342.85, 1,107,259.91 and 439,767.63

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Solution

The fourth proportional to 802,342.85, 1,107,259.91 and 439,767.63 is: 606,894.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,342.85 : 1,107,259.91 = 439,767.63 : x
  2. Step 2: Convert to fraction form
    802,342.85/1,107,259.91 = 439,767.63/x
  3. Step 3: Cross multiply
    802,342.85x = 1,107,259.91 × 439,767.63
  4. Step 4: Simplify right side
    802,342.85x = 486,937,068,368.10
  5. Step 5: Solve for x
    x = 486,937,068,368.10/802,342.85
  6. Step 6: Final answer
    x = 606,894.01

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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.