Home / 771,271.02-1,064,340.66-427,100.13

Finding the Fourth Proportional to 771,271.02, 1,064,340.66 and 427,100.13

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Solution

The fourth proportional to 771,271.02, 1,064,340.66 and 427,100.13 is: 589,390.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,271.02 : 1,064,340.66 = 427,100.13 : x
  2. Step 2: Convert to fraction form
    771,271.02/1,064,340.66 = 427,100.13/x
  3. Step 3: Cross multiply
    771,271.02x = 1,064,340.66 × 427,100.13
  4. Step 4: Simplify right side
    771,271.02x = 454,580,034,250.29
  5. Step 5: Solve for x
    x = 454,580,034,250.29/771,271.02
  6. Step 6: Final answer
    x = 589,390.79

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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.