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Finding the Fourth Proportional to 590,211.20, 884,150.40 and 323,494.40

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Solution

The fourth proportional to 590,211.20, 884,150.40 and 323,494.40 is: 484,602.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,211.20 : 884,150.40 = 323,494.40 : x
  2. Step 2: Convert to fraction form
    590,211.20/884,150.40 = 323,494.40/x
  3. Step 3: Cross multiply
    590,211.20x = 884,150.40 × 323,494.40
  4. Step 4: Simplify right side
    590,211.20x = 286,017,703,157.76
  5. Step 5: Solve for x
    x = 286,017,703,157.76/590,211.20
  6. Step 6: Final answer
    x = 484,602.30

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1.5x scale

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.