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Finding the Fourth Proportional to 522,271.83, 720,955.59 and 352,735.59

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Solution

The fourth proportional to 522,271.83, 720,955.59 and 352,735.59 is: 486,924.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,271.83 : 720,955.59 = 352,735.59 : x
  2. Step 2: Convert to fraction form
    522,271.83/720,955.59 = 352,735.59/x
  3. Step 3: Cross multiply
    522,271.83x = 720,955.59 × 352,735.59
  4. Step 4: Simplify right side
    522,271.83x = 254,306,695,402.45
  5. Step 5: Solve for x
    x = 254,306,695,402.45/522,271.83
  6. Step 6: Final answer
    x = 486,924.01

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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.