Home / 990,595.50-1,367,021.79-537,886.50

Finding the Fourth Proportional to 990,595.50, 1,367,021.79 and 537,886.50

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Solution

The fourth proportional to 990,595.50, 1,367,021.79 and 537,886.50 is: 742,283.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,595.50 : 1,367,021.79 = 537,886.50 : x
  2. Step 2: Convert to fraction form
    990,595.50/1,367,021.79 = 537,886.50/x
  3. Step 3: Cross multiply
    990,595.50x = 1,367,021.79 × 537,886.50
  4. Step 4: Simplify right side
    990,595.50x = 735,302,566,046.84
  5. Step 5: Solve for x
    x = 735,302,566,046.84/990,595.50
  6. Step 6: Final answer
    x = 742,283.37

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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.