Home / 988,030.80-1,363,483.80-535,321.44

Finding the Fourth Proportional to 988,030.80, 1,363,483.80 and 535,321.44

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Solution

The fourth proportional to 988,030.80, 1,363,483.80 and 535,321.44 is: 738,744.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,030.80 : 1,363,483.80 = 535,321.44 : x
  2. Step 2: Convert to fraction form
    988,030.80/1,363,483.80 = 535,321.44/x
  3. Step 3: Cross multiply
    988,030.80x = 1,363,483.80 × 535,321.44
  4. Step 4: Simplify right side
    988,030.80x = 729,902,111,232.67
  5. Step 5: Solve for x
    x = 729,902,111,232.67/988,030.80
  6. Step 6: Final answer
    x = 738,744.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.