Home / 760,305.60-1,049,117.94-454,317.30

Finding the Fourth Proportional to 760,305.60, 1,049,117.94 and 454,317.30

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Solution

The fourth proportional to 760,305.60, 1,049,117.94 and 454,317.30 is: 626,895.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,305.60 : 1,049,117.94 = 454,317.30 : x
  2. Step 2: Convert to fraction form
    760,305.60/1,049,117.94 = 454,317.30/x
  3. Step 3: Cross multiply
    760,305.60x = 1,049,117.94 × 454,317.30
  4. Step 4: Simplify right side
    760,305.60x = 476,632,429,882.36
  5. Step 5: Solve for x
    x = 476,632,429,882.36/760,305.60
  6. Step 6: Final answer
    x = 626,895.86

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Double scale
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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.