Home / 760,824.63-1,049,937.93-421,292.88

Finding the Fourth Proportional to 760,824.63, 1,049,937.93 and 421,292.88

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Solution

The fourth proportional to 760,824.63, 1,049,937.93 and 421,292.88 is: 581,384.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,824.63 : 1,049,937.93 = 421,292.88 : x
  2. Step 2: Convert to fraction form
    760,824.63/1,049,937.93 = 421,292.88/x
  3. Step 3: Cross multiply
    760,824.63x = 1,049,937.93 × 421,292.88
  4. Step 4: Simplify right side
    760,824.63x = 442,331,374,350.94
  5. Step 5: Solve for x
    x = 442,331,374,350.94/760,824.63
  6. Step 6: Final answer
    x = 581,384.14

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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.