Home / 760,708.04-1,049,809.91-421,176.29

Finding the Fourth Proportional to 760,708.04, 1,049,809.91 and 421,176.29

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Solution

The fourth proportional to 760,708.04, 1,049,809.91 and 421,176.29 is: 581,241.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,708.04 : 1,049,809.91 = 421,176.29 : x
  2. Step 2: Convert to fraction form
    760,708.04/1,049,809.91 = 421,176.29/x
  3. Step 3: Cross multiply
    760,708.04x = 1,049,809.91 × 421,176.29
  4. Step 4: Simplify right side
    760,708.04x = 442,155,035,744.10
  5. Step 5: Solve for x
    x = 442,155,035,744.10/760,708.04
  6. Step 6: Final answer
    x = 581,241.44

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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.