Home / 859,271.51-1,286,944.95-410,308.43

Finding the Fourth Proportional to 859,271.51, 1,286,944.95 and 410,308.43

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Solution

The fourth proportional to 859,271.51, 1,286,944.95 and 410,308.43 is: 614,525.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,271.51 : 1,286,944.95 = 410,308.43 : x
  2. Step 2: Convert to fraction form
    859,271.51/1,286,944.95 = 410,308.43/x
  3. Step 3: Cross multiply
    859,271.51x = 1,286,944.95 × 410,308.43
  4. Step 4: Simplify right side
    859,271.51x = 528,044,355,496.20
  5. Step 5: Solve for x
    x = 528,044,355,496.20/859,271.51
  6. Step 6: Final answer
    x = 614,525.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.