Home / 760,824.09-1,049,968.89-421,292.34

Finding the Fourth Proportional to 760,824.09, 1,049,968.89 and 421,292.34

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Solution

The fourth proportional to 760,824.09, 1,049,968.89 and 421,292.34 is: 581,400.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,824.09 : 1,049,968.89 = 421,292.34 : x
  2. Step 2: Convert to fraction form
    760,824.09/1,049,968.89 = 421,292.34/x
  3. Step 3: Cross multiply
    760,824.09x = 1,049,968.89 × 421,292.34
  4. Step 4: Simplify right side
    760,824.09x = 442,343,850,595.30
  5. Step 5: Solve for x
    x = 442,343,850,595.30/760,824.09
  6. Step 6: Final answer
    x = 581,400.95

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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.