Home / 760,375.76-1,049,552.25-438,301.22

Finding the Fourth Proportional to 760,375.76, 1,049,552.25 and 438,301.22

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Solution

The fourth proportional to 760,375.76, 1,049,552.25 and 438,301.22 is: 604,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,375.76 : 1,049,552.25 = 438,301.22 : x
  2. Step 2: Convert to fraction form
    760,375.76/1,049,552.25 = 438,301.22/x
  3. Step 3: Cross multiply
    760,375.76x = 1,049,552.25 × 438,301.22
  4. Step 4: Simplify right side
    760,375.76x = 460,020,031,628.75
  5. Step 5: Solve for x
    x = 460,020,031,628.75/760,375.76
  6. Step 6: Final answer
    x = 604,990.40

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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.