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Finding the Fourth Proportional to 610,897.28, 842,999.82 and 369,036.68

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Solution

The fourth proportional to 610,897.28, 842,999.82 and 369,036.68 is: 509,247.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,897.28 : 842,999.82 = 369,036.68 : x
  2. Step 2: Convert to fraction form
    610,897.28/842,999.82 = 369,036.68/x
  3. Step 3: Cross multiply
    610,897.28x = 842,999.82 × 369,036.68
  4. Step 4: Simplify right side
    610,897.28x = 311,097,854,813.40
  5. Step 5: Solve for x
    x = 311,097,854,813.40/610,897.28
  6. Step 6: Final answer
    x = 509,247.41

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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.