Home / 743,038.05-1,025,706.38-501,647.58

Finding the Fourth Proportional to 743,038.05, 1,025,706.38 and 501,647.58

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Solution

The fourth proportional to 743,038.05, 1,025,706.38 and 501,647.58 is: 692,485.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,038.05 : 1,025,706.38 = 501,647.58 : x
  2. Step 2: Convert to fraction form
    743,038.05/1,025,706.38 = 501,647.58/x
  3. Step 3: Cross multiply
    743,038.05x = 1,025,706.38 × 501,647.58
  4. Step 4: Simplify right side
    743,038.05x = 514,543,115,680.79
  5. Step 5: Solve for x
    x = 514,543,115,680.79/743,038.05
  6. Step 6: Final answer
    x = 692,485.56

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Double scale
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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.