Home / 808,670.80-1,213,006.20-684,254.80

Finding the Fourth Proportional to 808,670.80, 1,213,006.20 and 684,254.80

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Solution

The fourth proportional to 808,670.80, 1,213,006.20 and 684,254.80 is: 1,026,382.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,670.80 : 1,213,006.20 = 684,254.80 : x
  2. Step 2: Convert to fraction form
    808,670.80/1,213,006.20 = 684,254.80/x
  3. Step 3: Cross multiply
    808,670.80x = 1,213,006.20 × 684,254.80
  4. Step 4: Simplify right side
    808,670.80x = 830,005,314,779.76
  5. Step 5: Solve for x
    x = 830,005,314,779.76/808,670.80
  6. Step 6: Final answer
    x = 1,026,382.20

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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.