Home / 760,563.28-1,049,269.93-438,100.66

Finding the Fourth Proportional to 760,563.28, 1,049,269.93 and 438,100.66

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Solution

The fourth proportional to 760,563.28, 1,049,269.93 and 438,100.66 is: 604,401.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,563.28 : 1,049,269.93 = 438,100.66 : x
  2. Step 2: Convert to fraction form
    760,563.28/1,049,269.93 = 438,100.66/x
  3. Step 3: Cross multiply
    760,563.28x = 1,049,269.93 × 438,100.66
  4. Step 4: Simplify right side
    760,563.28x = 459,685,849,067.49
  5. Step 5: Solve for x
    x = 459,685,849,067.49/760,563.28
  6. Step 6: Final answer
    x = 604,401.84

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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.