Home / 760,815.33-1,049,912.33-421,276.29

Finding the Fourth Proportional to 760,815.33, 1,049,912.33 and 421,276.29

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Solution

The fourth proportional to 760,815.33, 1,049,912.33 and 421,276.29 is: 581,354.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,815.33 : 1,049,912.33 = 421,276.29 : x
  2. Step 2: Convert to fraction form
    760,815.33/1,049,912.33 = 421,276.29/x
  3. Step 3: Cross multiply
    760,815.33x = 1,049,912.33 × 421,276.29
  4. Step 4: Simplify right side
    760,815.33x = 442,303,169,101.27
  5. Step 5: Solve for x
    x = 442,303,169,101.27/760,815.33
  6. Step 6: Final answer
    x = 581,354.18

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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.