Home / 776,879.07-1,072,016.48-432,703.46

Finding the Fourth Proportional to 776,879.07, 1,072,016.48 and 432,703.46

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Solution

The fourth proportional to 776,879.07, 1,072,016.48 and 432,703.46 is: 597,088.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,879.07 : 1,072,016.48 = 432,703.46 : x
  2. Step 2: Convert to fraction form
    776,879.07/1,072,016.48 = 432,703.46/x
  3. Step 3: Cross multiply
    776,879.07x = 1,072,016.48 × 432,703.46
  4. Step 4: Simplify right side
    776,879.07x = 463,865,240,073.02
  5. Step 5: Solve for x
    x = 463,865,240,073.02/776,879.07
  6. Step 6: Final answer
    x = 597,088.09

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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.