Home / 830,646.78-1,146,293.00-448,673.56

Finding the Fourth Proportional to 830,646.78, 1,146,293.00 and 448,673.56

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Solution

The fourth proportional to 830,646.78, 1,146,293.00 and 448,673.56 is: 619,169.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,646.78 : 1,146,293.00 = 448,673.56 : x
  2. Step 2: Convert to fraction form
    830,646.78/1,146,293.00 = 448,673.56/x
  3. Step 3: Cross multiply
    830,646.78x = 1,146,293.00 × 448,673.56
  4. Step 4: Simplify right side
    830,646.78x = 514,311,364,134.40
  5. Step 5: Solve for x
    x = 514,311,364,134.40/830,646.78
  6. Step 6: Final answer
    x = 619,169.75

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1.5x scale

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.