Home / 760,206.54-1,049,013.78-454,221.96

Finding the Fourth Proportional to 760,206.54, 1,049,013.78 and 454,221.96

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Solution

The fourth proportional to 760,206.54, 1,049,013.78 and 454,221.96 is: 626,783.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,206.54 : 1,049,013.78 = 454,221.96 : x
  2. Step 2: Convert to fraction form
    760,206.54/1,049,013.78 = 454,221.96/x
  3. Step 3: Cross multiply
    760,206.54x = 1,049,013.78 × 454,221.96
  4. Step 4: Simplify right side
    760,206.54x = 476,485,095,218.61
  5. Step 5: Solve for x
    x = 476,485,095,218.61/760,206.54
  6. Step 6: Final answer
    x = 626,783.74

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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.