Home / 979,980.64-1,352,411.67-670,532.33

Finding the Fourth Proportional to 979,980.64, 1,352,411.67 and 670,532.33

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Solution

The fourth proportional to 979,980.64, 1,352,411.67 and 670,532.33 is: 925,360.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,980.64 : 1,352,411.67 = 670,532.33 : x
  2. Step 2: Convert to fraction form
    979,980.64/1,352,411.67 = 670,532.33/x
  3. Step 3: Cross multiply
    979,980.64x = 1,352,411.67 × 670,532.33
  4. Step 4: Simplify right side
    979,980.64x = 906,835,748,204.29
  5. Step 5: Solve for x
    x = 906,835,748,204.29/979,980.64
  6. Step 6: Final answer
    x = 925,360.88

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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.