Home / 713,555.28-1,070,511.44-503,603.28

Finding the Fourth Proportional to 713,555.28, 1,070,511.44 and 503,603.28

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Solution

The fourth proportional to 713,555.28, 1,070,511.44 and 503,603.28 is: 755,530.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,555.28 : 1,070,511.44 = 503,603.28 : x
  2. Step 2: Convert to fraction form
    713,555.28/1,070,511.44 = 503,603.28/x
  3. Step 3: Cross multiply
    713,555.28x = 1,070,511.44 × 503,603.28
  4. Step 4: Simplify right side
    713,555.28x = 539,113,072,461.52
  5. Step 5: Solve for x
    x = 539,113,072,461.52/713,555.28
  6. Step 6: Final answer
    x = 755,530.91

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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.