Home / 753,113.66-1,039,303.59-413,584.34

Finding the Fourth Proportional to 753,113.66, 1,039,303.59 and 413,584.34

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Solution

The fourth proportional to 753,113.66, 1,039,303.59 and 413,584.34 is: 570,750.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,113.66 : 1,039,303.59 = 413,584.34 : x
  2. Step 2: Convert to fraction form
    753,113.66/1,039,303.59 = 413,584.34/x
  3. Step 3: Cross multiply
    753,113.66x = 1,039,303.59 × 413,584.34
  4. Step 4: Simplify right side
    753,113.66x = 429,839,689,329.78
  5. Step 5: Solve for x
    x = 429,839,689,329.78/753,113.66
  6. Step 6: Final answer
    x = 570,750.09

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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.