Home / 926,621.93-1,390,829.47-447,187.22

Finding the Fourth Proportional to 926,621.93, 1,390,829.47 and 447,187.22

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Solution

The fourth proportional to 926,621.93, 1,390,829.47 and 447,187.22 is: 671,213.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,621.93 : 1,390,829.47 = 447,187.22 : x
  2. Step 2: Convert to fraction form
    926,621.93/1,390,829.47 = 447,187.22/x
  3. Step 3: Cross multiply
    926,621.93x = 1,390,829.47 × 447,187.22
  4. Step 4: Simplify right side
    926,621.93x = 621,961,165,238.58
  5. Step 5: Solve for x
    x = 621,961,165,238.58/926,621.93
  6. Step 6: Final answer
    x = 671,213.52

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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.