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Finding the Fourth Proportional to 753,004, 1,039,152.81 and 413,479.54

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Solution

The fourth proportional to 753,004, 1,039,152.81 and 413,479.54 is: 570,605.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,004 : 1,039,152.81 = 413,479.54 : x
  2. Step 2: Convert to fraction form
    753,004/1,039,152.81 = 413,479.54/x
  3. Step 3: Cross multiply
    753,004x = 1,039,152.81 × 413,479.54
  4. Step 4: Simplify right side
    753,004x = 429,668,425,868.51
  5. Step 5: Solve for x
    x = 429,668,425,868.51/753,004
  6. Step 6: Final answer
    x = 570,605.77

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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.