Home / 849,323.54-1,172,031.09-462,140.48

Finding the Fourth Proportional to 849,323.54, 1,172,031.09 and 462,140.48

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Solution

The fourth proportional to 849,323.54, 1,172,031.09 and 462,140.48 is: 637,734.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,323.54 : 1,172,031.09 = 462,140.48 : x
  2. Step 2: Convert to fraction form
    849,323.54/1,172,031.09 = 462,140.48/x
  3. Step 3: Cross multiply
    849,323.54x = 1,172,031.09 × 462,140.48
  4. Step 4: Simplify right side
    849,323.54x = 541,643,010,507.52
  5. Step 5: Solve for x
    x = 541,643,010,507.52/849,323.54
  6. Step 6: Final answer
    x = 637,734.60

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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.