Home / 697,451.47-962,482.53-391,528.44

Finding the Fourth Proportional to 697,451.47, 962,482.53 and 391,528.44

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Solution

The fourth proportional to 697,451.47, 962,482.53 and 391,528.44 is: 540,308.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,451.47 : 962,482.53 = 391,528.44 : x
  2. Step 2: Convert to fraction form
    697,451.47/962,482.53 = 391,528.44/x
  3. Step 3: Cross multiply
    697,451.47x = 962,482.53 × 391,528.44
  4. Step 4: Simplify right side
    697,451.47x = 376,839,280,113.13
  5. Step 5: Solve for x
    x = 376,839,280,113.13/697,451.47
  6. Step 6: Final answer
    x = 540,308.97

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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.