Home / 736,355.84-1,102,762.28-419,853.20

Finding the Fourth Proportional to 736,355.84, 1,102,762.28 and 419,853.20

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Solution

The fourth proportional to 736,355.84, 1,102,762.28 and 419,853.20 is: 628,769.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,355.84 : 1,102,762.28 = 419,853.20 : x
  2. Step 2: Convert to fraction form
    736,355.84/1,102,762.28 = 419,853.20/x
  3. Step 3: Cross multiply
    736,355.84x = 1,102,762.28 × 419,853.20
  4. Step 4: Simplify right side
    736,355.84x = 462,998,272,097.30
  5. Step 5: Solve for x
    x = 462,998,272,097.30/736,355.84
  6. Step 6: Final answer
    x = 628,769.74

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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.