Home / 849,300.20-1,171,999.14-462,117.21

Finding the Fourth Proportional to 849,300.20, 1,171,999.14 and 462,117.21

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Solution

The fourth proportional to 849,300.20, 1,171,999.14 and 462,117.21 is: 637,702.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,300.20 : 1,171,999.14 = 462,117.21 : x
  2. Step 2: Convert to fraction form
    849,300.20/1,171,999.14 = 462,117.21/x
  3. Step 3: Cross multiply
    849,300.20x = 1,171,999.14 × 462,117.21
  4. Step 4: Simplify right side
    849,300.20x = 541,600,972,699.20
  5. Step 5: Solve for x
    x = 541,600,972,699.20/849,300.20
  6. Step 6: Final answer
    x = 637,702.63

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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.