Home / 760,808.70-1,049,661.13-438,511.88

Finding the Fourth Proportional to 760,808.70, 1,049,661.13 and 438,511.88

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Solution

The fourth proportional to 760,808.70, 1,049,661.13 and 438,511.88 is: 604,999.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,808.70 : 1,049,661.13 = 438,511.88 : x
  2. Step 2: Convert to fraction form
    760,808.70/1,049,661.13 = 438,511.88/x
  3. Step 3: Cross multiply
    760,808.70x = 1,049,661.13 × 438,511.88
  4. Step 4: Simplify right side
    760,808.70x = 460,288,871,924.96
  5. Step 5: Solve for x
    x = 460,288,871,924.96/760,808.70
  6. Step 6: Final answer
    x = 604,999.49

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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.