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Finding the Fourth Proportional to 761,227.52, 1,050,479.52 and 421,698.56

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Solution

The fourth proportional to 761,227.52, 1,050,479.52 and 421,698.56 is: 581,936.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,227.52 : 1,050,479.52 = 421,698.56 : x
  2. Step 2: Convert to fraction form
    761,227.52/1,050,479.52 = 421,698.56/x
  3. Step 3: Cross multiply
    761,227.52x = 1,050,479.52 × 421,698.56
  4. Step 4: Simplify right side
    761,227.52x = 442,985,700,893.49
  5. Step 5: Solve for x
    x = 442,985,700,893.49/761,227.52
  6. Step 6: Final answer
    x = 581,936.00

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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.