Home / 776,199.36-1,071,146.93-432,029.80

Finding the Fourth Proportional to 776,199.36, 1,071,146.93 and 432,029.80

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Solution

The fourth proportional to 776,199.36, 1,071,146.93 and 432,029.80 is: 596,196.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,199.36 : 1,071,146.93 = 432,029.80 : x
  2. Step 2: Convert to fraction form
    776,199.36/1,071,146.93 = 432,029.80/x
  3. Step 3: Cross multiply
    776,199.36x = 1,071,146.93 × 432,029.80
  4. Step 4: Simplify right side
    776,199.36x = 462,767,390,979.47
  5. Step 5: Solve for x
    x = 462,767,390,979.47/776,199.36
  6. Step 6: Final answer
    x = 596,196.57

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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.