Home / 670,351.52-924,821.88-383,717.36

Finding the Fourth Proportional to 670,351.52, 924,821.88 and 383,717.36

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Solution

The fourth proportional to 670,351.52, 924,821.88 and 383,717.36 is: 529,379.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,351.52 : 924,821.88 = 383,717.36 : x
  2. Step 2: Convert to fraction form
    670,351.52/924,821.88 = 383,717.36/x
  3. Step 3: Cross multiply
    670,351.52x = 924,821.88 × 383,717.36
  4. Step 4: Simplify right side
    670,351.52x = 354,870,210,263.84
  5. Step 5: Solve for x
    x = 354,870,210,263.84/670,351.52
  6. Step 6: Final answer
    x = 529,379.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.