Home / 707,219.79-975,962.57-384,929.12

Finding the Fourth Proportional to 707,219.79, 975,962.57 and 384,929.12

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Solution

The fourth proportional to 707,219.79, 975,962.57 and 384,929.12 is: 531,201.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,219.79 : 975,962.57 = 384,929.12 : x
  2. Step 2: Convert to fraction form
    707,219.79/975,962.57 = 384,929.12/x
  3. Step 3: Cross multiply
    707,219.79x = 975,962.57 × 384,929.12
  4. Step 4: Simplify right side
    707,219.79x = 375,676,415,181.78
  5. Step 5: Solve for x
    x = 375,676,415,181.78/707,219.79
  6. Step 6: Final answer
    x = 531,201.78

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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.