Home / 849,679.74-1,172,588.98-462,476.45

Finding the Fourth Proportional to 849,679.74, 1,172,588.98 and 462,476.45

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Solution

The fourth proportional to 849,679.74, 1,172,588.98 and 462,476.45 is: 638,234.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,679.74 : 1,172,588.98 = 462,476.45 : x
  2. Step 2: Convert to fraction form
    849,679.74/1,172,588.98 = 462,476.45/x
  3. Step 3: Cross multiply
    849,679.74x = 1,172,588.98 × 462,476.45
  4. Step 4: Simplify right side
    849,679.74x = 542,294,782,916.58
  5. Step 5: Solve for x
    x = 542,294,782,916.58/849,679.74
  6. Step 6: Final answer
    x = 638,234.34

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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.