Home / 973,639.80-1,343,615.22-538,086.30

Finding the Fourth Proportional to 973,639.80, 1,343,615.22 and 538,086.30

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Solution

The fourth proportional to 973,639.80, 1,343,615.22 and 538,086.30 is: 742,554.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,639.80 : 1,343,615.22 = 538,086.30 : x
  2. Step 2: Convert to fraction form
    973,639.80/1,343,615.22 = 538,086.30/x
  3. Step 3: Cross multiply
    973,639.80x = 1,343,615.22 × 538,086.30
  4. Step 4: Simplify right side
    973,639.80x = 722,980,942,353.49
  5. Step 5: Solve for x
    x = 722,980,942,353.49/973,639.80
  6. Step 6: Final answer
    x = 742,554.84

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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.