Home / 849,300.45-1,171,999.48-462,117.47

Finding the Fourth Proportional to 849,300.45, 1,171,999.48 and 462,117.47

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Solution

The fourth proportional to 849,300.45, 1,171,999.48 and 462,117.47 is: 637,702.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,300.45 : 1,171,999.48 = 462,117.47 : x
  2. Step 2: Convert to fraction form
    849,300.45/1,171,999.48 = 462,117.47/x
  3. Step 3: Cross multiply
    849,300.45x = 1,171,999.48 × 462,117.47
  4. Step 4: Simplify right side
    849,300.45x = 541,601,428,678.92
  5. Step 5: Solve for x
    x = 541,601,428,678.92/849,300.45
  6. Step 6: Final answer
    x = 637,702.98

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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.