Home / 760,535.12-1,049,546.76-421,009.04

Finding the Fourth Proportional to 760,535.12, 1,049,546.76 and 421,009.04

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Solution

The fourth proportional to 760,535.12, 1,049,546.76 and 421,009.04 is: 580,997.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,535.12 : 1,049,546.76 = 421,009.04 : x
  2. Step 2: Convert to fraction form
    760,535.12/1,049,546.76 = 421,009.04/x
  3. Step 3: Cross multiply
    760,535.12x = 1,049,546.76 × 421,009.04
  4. Step 4: Simplify right side
    760,535.12x = 441,868,673,862.71
  5. Step 5: Solve for x
    x = 441,868,673,862.71/760,535.12
  6. Step 6: Final answer
    x = 580,997.07

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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.