Home / 646,656.72-892,386.52-374,882.16

Finding the Fourth Proportional to 646,656.72, 892,386.52 and 374,882.16

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Solution

The fourth proportional to 646,656.72, 892,386.52 and 374,882.16 is: 517,337.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,656.72 : 892,386.52 = 374,882.16 : x
  2. Step 2: Convert to fraction form
    646,656.72/892,386.52 = 374,882.16/x
  3. Step 3: Cross multiply
    646,656.72x = 892,386.52 × 374,882.16
  4. Step 4: Simplify right side
    646,656.72x = 334,539,779,836.14
  5. Step 5: Solve for x
    x = 334,539,779,836.14/646,656.72
  6. Step 6: Final answer
    x = 517,337.51

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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.