Home / 760,384.72-1,049,259.72-454,400.20

Finding the Fourth Proportional to 760,384.72, 1,049,259.72 and 454,400.20

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Solution

The fourth proportional to 760,384.72, 1,049,259.72 and 454,400.20 is: 627,029.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,384.72 : 1,049,259.72 = 454,400.20 : x
  2. Step 2: Convert to fraction form
    760,384.72/1,049,259.72 = 454,400.20/x
  3. Step 3: Cross multiply
    760,384.72x = 1,049,259.72 × 454,400.20
  4. Step 4: Simplify right side
    760,384.72x = 476,783,826,619.94
  5. Step 5: Solve for x
    x = 476,783,826,619.94/760,384.72
  6. Step 6: Final answer
    x = 627,029.73

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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.