Home / 776,271.83-1,071,254.88-432,100.28

Finding the Fourth Proportional to 776,271.83, 1,071,254.88 and 432,100.28

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Solution

The fourth proportional to 776,271.83, 1,071,254.88 and 432,100.28 is: 596,298.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,271.83 : 1,071,254.88 = 432,100.28 : x
  2. Step 2: Convert to fraction form
    776,271.83/1,071,254.88 = 432,100.28/x
  3. Step 3: Cross multiply
    776,271.83x = 1,071,254.88 × 432,100.28
  4. Step 4: Simplify right side
    776,271.83x = 462,889,528,243.09
  5. Step 5: Solve for x
    x = 462,889,528,243.09/776,271.83
  6. Step 6: Final answer
    x = 596,298.25

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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.