Home / 807,886.10-1,211,859.93-302,393.86

Finding the Fourth Proportional to 807,886.10, 1,211,859.93 and 302,393.86

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Solution

The fourth proportional to 807,886.10, 1,211,859.93 and 302,393.86 is: 453,602.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,886.10 : 1,211,859.93 = 302,393.86 : x
  2. Step 2: Convert to fraction form
    807,886.10/1,211,859.93 = 302,393.86/x
  3. Step 3: Cross multiply
    807,886.10x = 1,211,859.93 × 302,393.86
  4. Step 4: Simplify right side
    807,886.10x = 366,459,000,116.36
  5. Step 5: Solve for x
    x = 366,459,000,116.36/807,886.10
  6. Step 6: Final answer
    x = 453,602.31

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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.