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Finding the Fourth Proportional to 593,759.80, 890,639.70 and 144,477.10

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Solution

The fourth proportional to 593,759.80, 890,639.70 and 144,477.10 is: 216,715.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,759.80 : 890,639.70 = 144,477.10 : x
  2. Step 2: Convert to fraction form
    593,759.80/890,639.70 = 144,477.10/x
  3. Step 3: Cross multiply
    593,759.80x = 890,639.70 × 144,477.10
  4. Step 4: Simplify right side
    593,759.80x = 128,677,041,000.87
  5. Step 5: Solve for x
    x = 128,677,041,000.87/593,759.80
  6. Step 6: Final answer
    x = 216,715.65

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Double scale
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Similar ratio
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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.