Home / 762,148.13-1,051,688.63-439,962.03

Finding the Fourth Proportional to 762,148.13, 1,051,688.63 and 439,962.03

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Solution

The fourth proportional to 762,148.13, 1,051,688.63 and 439,962.03 is: 607,103.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,148.13 : 1,051,688.63 = 439,962.03 : x
  2. Step 2: Convert to fraction form
    762,148.13/1,051,688.63 = 439,962.03/x
  3. Step 3: Cross multiply
    762,148.13x = 1,051,688.63 × 439,962.03
  4. Step 4: Simplify right side
    762,148.13x = 462,703,057,124.47
  5. Step 5: Solve for x
    x = 462,703,057,124.47/762,148.13
  6. Step 6: Final answer
    x = 607,103.84

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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.