Home / 760,792.33-1,049,880.58-421,253.29

Finding the Fourth Proportional to 760,792.33, 1,049,880.58 and 421,253.29

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Solution

The fourth proportional to 760,792.33, 1,049,880.58 and 421,253.29 is: 581,322.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,792.33 : 1,049,880.58 = 421,253.29 : x
  2. Step 2: Convert to fraction form
    760,792.33/1,049,880.58 = 421,253.29/x
  3. Step 3: Cross multiply
    760,792.33x = 1,049,880.58 × 421,253.29
  4. Step 4: Simplify right side
    760,792.33x = 442,265,648,432.11
  5. Step 5: Solve for x
    x = 442,265,648,432.11/760,792.33
  6. Step 6: Final answer
    x = 581,322.43

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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.