Home / 697,843.80-1,046,765.70-458,695.35

Finding the Fourth Proportional to 697,843.80, 1,046,765.70 and 458,695.35

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Solution

The fourth proportional to 697,843.80, 1,046,765.70 and 458,695.35 is: 688,043.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,843.80 : 1,046,765.70 = 458,695.35 : x
  2. Step 2: Convert to fraction form
    697,843.80/1,046,765.70 = 458,695.35/x
  3. Step 3: Cross multiply
    697,843.80x = 1,046,765.70 × 458,695.35
  4. Step 4: Simplify right side
    697,843.80x = 480,146,559,129.50
  5. Step 5: Solve for x
    x = 480,146,559,129.50/697,843.80
  6. Step 6: Final answer
    x = 688,043.03

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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.