Home / 1,009,700.30-1,393,390.38-550,824.68

Finding the Fourth Proportional to 1,009,700.30, 1,393,390.38 and 550,824.68

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Solution

The fourth proportional to 1,009,700.30, 1,393,390.38 and 550,824.68 is: 760,140.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,700.30 : 1,393,390.38 = 550,824.68 : x
  2. Step 2: Convert to fraction form
    1,009,700.30/1,393,390.38 = 550,824.68/x
  3. Step 3: Cross multiply
    1,009,700.30x = 1,393,390.38 × 550,824.68
  4. Step 4: Simplify right side
    1,009,700.30x = 767,513,810,178.58
  5. Step 5: Solve for x
    x = 767,513,810,178.58/1,009,700.30
  6. Step 6: Final answer
    x = 760,140.22

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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.