Home / 808,749.10-1,213,123.65-622,125.10

Finding the Fourth Proportional to 808,749.10, 1,213,123.65 and 622,125.10

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Solution

The fourth proportional to 808,749.10, 1,213,123.65 and 622,125.10 is: 933,187.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,749.10 : 1,213,123.65 = 622,125.10 : x
  2. Step 2: Convert to fraction form
    808,749.10/1,213,123.65 = 622,125.10/x
  3. Step 3: Cross multiply
    808,749.10x = 1,213,123.65 × 622,125.10
  4. Step 4: Simplify right side
    808,749.10x = 754,714,672,068.62
  5. Step 5: Solve for x
    x = 754,714,672,068.62/808,749.10
  6. Step 6: Final answer
    x = 933,187.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.