Home / 849,683.80-1,172,594.61-462,480.52

Finding the Fourth Proportional to 849,683.80, 1,172,594.61 and 462,480.52

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Solution

The fourth proportional to 849,683.80, 1,172,594.61 and 462,480.52 is: 638,239.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,683.80 : 1,172,594.61 = 462,480.52 : x
  2. Step 2: Convert to fraction form
    849,683.80/1,172,594.61 = 462,480.52/x
  3. Step 3: Cross multiply
    849,683.80x = 1,172,594.61 × 462,480.52
  4. Step 4: Simplify right side
    849,683.80x = 542,302,159,119.02
  5. Step 5: Solve for x
    x = 542,302,159,119.02/849,683.80
  6. Step 6: Final answer
    x = 638,239.97

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Double scale
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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.