Home / 760,581.40-1,049,272.78-458,607.64

Finding the Fourth Proportional to 760,581.40, 1,049,272.78 and 458,607.64

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Solution

The fourth proportional to 760,581.40, 1,049,272.78 and 458,607.64 is: 632,679.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,581.40 : 1,049,272.78 = 458,607.64 : x
  2. Step 2: Convert to fraction form
    760,581.40/1,049,272.78 = 458,607.64/x
  3. Step 3: Cross multiply
    760,581.40x = 1,049,272.78 × 458,607.64
  4. Step 4: Simplify right side
    760,581.40x = 481,204,513,352.04
  5. Step 5: Solve for x
    x = 481,204,513,352.04/760,581.40
  6. Step 6: Final answer
    x = 632,679.83

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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.