Home / 802,550.89-1,107,513.16-439,968.16

Finding the Fourth Proportional to 802,550.89, 1,107,513.16 and 439,968.16

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Solution

The fourth proportional to 802,550.89, 1,107,513.16 and 439,968.16 is: 607,152.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,550.89 : 1,107,513.16 = 439,968.16 : x
  2. Step 2: Convert to fraction form
    802,550.89/1,107,513.16 = 439,968.16/x
  3. Step 3: Cross multiply
    802,550.89x = 1,107,513.16 × 439,968.16
  4. Step 4: Simplify right side
    802,550.89x = 487,270,527,180.99
  5. Step 5: Solve for x
    x = 487,270,527,180.99/802,550.89
  6. Step 6: Final answer
    x = 607,152.19

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1.5x scale

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.