Home / 772,407.81-1,065,924.09-432,876.06

Finding the Fourth Proportional to 772,407.81, 1,065,924.09 and 432,876.06

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Solution

The fourth proportional to 772,407.81, 1,065,924.09 and 432,876.06 is: 597,369.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,407.81 : 1,065,924.09 = 432,876.06 : x
  2. Step 2: Convert to fraction form
    772,407.81/1,065,924.09 = 432,876.06/x
  3. Step 3: Cross multiply
    772,407.81x = 1,065,924.09 × 432,876.06
  4. Step 4: Simplify right side
    772,407.81x = 461,413,020,338.29
  5. Step 5: Solve for x
    x = 461,413,020,338.29/772,407.81
  6. Step 6: Final answer
    x = 597,369.70

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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.