Home / 807,534.90-1,211,302.35-802,005.30

Finding the Fourth Proportional to 807,534.90, 1,211,302.35 and 802,005.30

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Solution

The fourth proportional to 807,534.90, 1,211,302.35 and 802,005.30 is: 1,203,007.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,534.90 : 1,211,302.35 = 802,005.30 : x
  2. Step 2: Convert to fraction form
    807,534.90/1,211,302.35 = 802,005.30/x
  3. Step 3: Cross multiply
    807,534.90x = 1,211,302.35 × 802,005.30
  4. Step 4: Simplify right side
    807,534.90x = 971,470,904,602.46
  5. Step 5: Solve for x
    x = 971,470,904,602.46/807,534.90
  6. Step 6: Final answer
    x = 1,203,007.95

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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.