Home / 911,319.03-1,366,973.59-371,573.20

Finding the Fourth Proportional to 911,319.03, 1,366,973.59 and 371,573.20

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Solution

The fourth proportional to 911,319.03, 1,366,973.59 and 371,573.20 is: 557,357.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,319.03 : 1,366,973.59 = 371,573.20 : x
  2. Step 2: Convert to fraction form
    911,319.03/1,366,973.59 = 371,573.20/x
  3. Step 3: Cross multiply
    911,319.03x = 1,366,973.59 × 371,573.20
  4. Step 4: Simplify right side
    911,319.03x = 507,930,749,828.71
  5. Step 5: Solve for x
    x = 507,930,749,828.71/911,319.03
  6. Step 6: Final answer
    x = 557,357.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.