Home / 760,776.03-1,049,632.83-438,442.07

Finding the Fourth Proportional to 760,776.03, 1,049,632.83 and 438,442.07

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Solution

The fourth proportional to 760,776.03, 1,049,632.83 and 438,442.07 is: 604,912.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,776.03 : 1,049,632.83 = 438,442.07 : x
  2. Step 2: Convert to fraction form
    760,776.03/1,049,632.83 = 438,442.07/x
  3. Step 3: Cross multiply
    760,776.03x = 1,049,632.83 × 438,442.07
  4. Step 4: Simplify right side
    760,776.03x = 460,203,185,476.99
  5. Step 5: Solve for x
    x = 460,203,185,476.99/760,776.03
  6. Step 6: Final answer
    x = 604,912.84

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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.