Home / 803,663.58-1,205,495.31-626,303.28

Finding the Fourth Proportional to 803,663.58, 1,205,495.31 and 626,303.28

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Solution

The fourth proportional to 803,663.58, 1,205,495.31 and 626,303.28 is: 939,454.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,663.58 : 1,205,495.31 = 626,303.28 : x
  2. Step 2: Convert to fraction form
    803,663.58/1,205,495.31 = 626,303.28/x
  3. Step 3: Cross multiply
    803,663.58x = 1,205,495.31 × 626,303.28
  4. Step 4: Simplify right side
    803,663.58x = 755,005,666,677.62
  5. Step 5: Solve for x
    x = 755,005,666,677.62/803,663.58
  6. Step 6: Final answer
    x = 939,454.87

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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.