Home / 929,682.65-1,282,962.04-521,784.50

Finding the Fourth Proportional to 929,682.65, 1,282,962.04 and 521,784.50

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Solution

The fourth proportional to 929,682.65, 1,282,962.04 and 521,784.50 is: 720,062.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,682.65 : 1,282,962.04 = 521,784.50 : x
  2. Step 2: Convert to fraction form
    929,682.65/1,282,962.04 = 521,784.50/x
  3. Step 3: Cross multiply
    929,682.65x = 1,282,962.04 × 521,784.50
  4. Step 4: Simplify right side
    929,682.65x = 669,429,698,841.11
  5. Step 5: Solve for x
    x = 669,429,698,841.11/929,682.65
  6. Step 6: Final answer
    x = 720,062.59

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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.