Home / 940,444.72-1,298,210.85-634,934.78

Finding the Fourth Proportional to 940,444.72, 1,298,210.85 and 634,934.78

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Solution

The fourth proportional to 940,444.72, 1,298,210.85 and 634,934.78 is: 876,478.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,444.72 : 1,298,210.85 = 634,934.78 : x
  2. Step 2: Convert to fraction form
    940,444.72/1,298,210.85 = 634,934.78/x
  3. Step 3: Cross multiply
    940,444.72x = 1,298,210.85 × 634,934.78
  4. Step 4: Simplify right side
    940,444.72x = 824,279,220,438.36
  5. Step 5: Solve for x
    x = 824,279,220,438.36/940,444.72
  6. Step 6: Final answer
    x = 876,478.12

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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.