Home / 697,736.40-1,046,604.60-417,800.40

Finding the Fourth Proportional to 697,736.40, 1,046,604.60 and 417,800.40

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Solution

The fourth proportional to 697,736.40, 1,046,604.60 and 417,800.40 is: 626,700.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,736.40 : 1,046,604.60 = 417,800.40 : x
  2. Step 2: Convert to fraction form
    697,736.40/1,046,604.60 = 417,800.40/x
  3. Step 3: Cross multiply
    697,736.40x = 1,046,604.60 × 417,800.40
  4. Step 4: Simplify right side
    697,736.40x = 437,271,820,521.84
  5. Step 5: Solve for x
    x = 437,271,820,521.84/697,736.40
  6. Step 6: Final answer
    x = 626,700.60

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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.