Home / 760,537.00-1,049,541.30-421,005.25

Finding the Fourth Proportional to 760,537.00, 1,049,541.30 and 421,005.25

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Solution

The fourth proportional to 760,537.00, 1,049,541.30 and 421,005.25 is: 580,987.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,537.00 : 1,049,541.30 = 421,005.25 : x
  2. Step 2: Convert to fraction form
    760,537.00/1,049,541.30 = 421,005.25/x
  3. Step 3: Cross multiply
    760,537.00x = 1,049,541.30 × 421,005.25
  4. Step 4: Simplify right side
    760,537.00x = 441,862,392,800.08
  5. Step 5: Solve for x
    x = 441,862,392,800.08/760,537.00
  6. Step 6: Final answer
    x = 580,987.38

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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.