Home / 940,407.79-1,298,160-634,897.97

Finding the Fourth Proportional to 940,407.79, 1,298,160 and 634,897.97

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Solution

The fourth proportional to 940,407.79, 1,298,160 and 634,897.97 is: 876,427.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,407.79 : 1,298,160 = 634,897.97 : x
  2. Step 2: Convert to fraction form
    940,407.79/1,298,160 = 634,897.97/x
  3. Step 3: Cross multiply
    940,407.79x = 1,298,160 × 634,897.97
  4. Step 4: Simplify right side
    940,407.79x = 824,199,148,735.20
  5. Step 5: Solve for x
    x = 824,199,148,735.20/940,407.79
  6. Step 6: Final answer
    x = 876,427.39

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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.