Home / 758,528.66-1,046,769.54-418,996.92

Finding the Fourth Proportional to 758,528.66, 1,046,769.54 and 418,996.92

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Solution

The fourth proportional to 758,528.66, 1,046,769.54 and 418,996.92 is: 578,215.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,528.66 : 1,046,769.54 = 418,996.92 : x
  2. Step 2: Convert to fraction form
    758,528.66/1,046,769.54 = 418,996.92/x
  3. Step 3: Cross multiply
    758,528.66x = 1,046,769.54 × 418,996.92
  4. Step 4: Simplify right side
    758,528.66x = 438,593,213,209.82
  5. Step 5: Solve for x
    x = 438,593,213,209.82/758,528.66
  6. Step 6: Final answer
    x = 578,215.74

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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.