Home / 697,631.60-1,046,447.40-688,300.40

Finding the Fourth Proportional to 697,631.60, 1,046,447.40 and 688,300.40

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Solution

The fourth proportional to 697,631.60, 1,046,447.40 and 688,300.40 is: 1,032,450.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,631.60 : 1,046,447.40 = 688,300.40 : x
  2. Step 2: Convert to fraction form
    697,631.60/1,046,447.40 = 688,300.40/x
  3. Step 3: Cross multiply
    697,631.60x = 1,046,447.40 × 688,300.40
  4. Step 4: Simplify right side
    697,631.60x = 720,270,163,998.96
  5. Step 5: Solve for x
    x = 720,270,163,998.96/697,631.60
  6. Step 6: Final answer
    x = 1,032,450.60

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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.