Home / 743,036.78-1,025,704.66-501,646.32

Finding the Fourth Proportional to 743,036.78, 1,025,704.66 and 501,646.32

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Solution

The fourth proportional to 743,036.78, 1,025,704.66 and 501,646.32 is: 692,483.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,036.78 : 1,025,704.66 = 501,646.32 : x
  2. Step 2: Convert to fraction form
    743,036.78/1,025,704.66 = 501,646.32/x
  3. Step 3: Cross multiply
    743,036.78x = 1,025,704.66 × 501,646.32
  4. Step 4: Simplify right side
    743,036.78x = 514,540,968,095.85
  5. Step 5: Solve for x
    x = 514,540,968,095.85/743,036.78
  6. Step 6: Final answer
    x = 692,483.85

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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.