Home / 811,460.52-1,119,795.30-448,904.52

Finding the Fourth Proportional to 811,460.52, 1,119,795.30 and 448,904.52

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Solution

The fourth proportional to 811,460.52, 1,119,795.30 and 448,904.52 is: 619,477.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,460.52 : 1,119,795.30 = 448,904.52 : x
  2. Step 2: Convert to fraction form
    811,460.52/1,119,795.30 = 448,904.52/x
  3. Step 3: Cross multiply
    811,460.52x = 1,119,795.30 × 448,904.52
  4. Step 4: Simplify right side
    811,460.52x = 502,681,171,644.76
  5. Step 5: Solve for x
    x = 502,681,171,644.76/811,460.52
  6. Step 6: Final answer
    x = 619,477.05

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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.