Home / 993,543.84-1,490,497.20-460,991.52

Finding the Fourth Proportional to 993,543.84, 1,490,497.20 and 460,991.52

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Solution

The fourth proportional to 993,543.84, 1,490,497.20 and 460,991.52 is: 691,571.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,543.84 : 1,490,497.20 = 460,991.52 : x
  2. Step 2: Convert to fraction form
    993,543.84/1,490,497.20 = 460,991.52/x
  3. Step 3: Cross multiply
    993,543.84x = 1,490,497.20 × 460,991.52
  4. Step 4: Simplify right side
    993,543.84x = 687,106,569,783.74
  5. Step 5: Solve for x
    x = 687,106,569,783.74/993,543.84
  6. Step 6: Final answer
    x = 691,571.47

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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.