Home / 697,752.40-1,046,628.60-511,128.40

Finding the Fourth Proportional to 697,752.40, 1,046,628.60 and 511,128.40

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Solution

The fourth proportional to 697,752.40, 1,046,628.60 and 511,128.40 is: 766,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,752.40 : 1,046,628.60 = 511,128.40 : x
  2. Step 2: Convert to fraction form
    697,752.40/1,046,628.60 = 511,128.40/x
  3. Step 3: Cross multiply
    697,752.40x = 1,046,628.60 × 511,128.40
  4. Step 4: Simplify right side
    697,752.40x = 534,961,601,712.24
  5. Step 5: Solve for x
    x = 534,961,601,712.24/697,752.40
  6. Step 6: Final answer
    x = 766,692.60

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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.