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Finding the Fourth Proportional to 593,860.80, 889,624.80 and 551,870.40

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Solution

The fourth proportional to 593,860.80, 889,624.80 and 551,870.40 is: 826,721.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,860.80 : 889,624.80 = 551,870.40 : x
  2. Step 2: Convert to fraction form
    593,860.80/889,624.80 = 551,870.40/x
  3. Step 3: Cross multiply
    593,860.80x = 889,624.80 × 551,870.40
  4. Step 4: Simplify right side
    593,860.80x = 490,957,594,225.92
  5. Step 5: Solve for x
    x = 490,957,594,225.92/593,860.80
  6. Step 6: Final answer
    x = 826,721.67

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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.