Home / 771,100.84-1,064,152.40-426,936.76

Finding the Fourth Proportional to 771,100.84, 1,064,152.40 and 426,936.76

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Solution

The fourth proportional to 771,100.84, 1,064,152.40 and 426,936.76 is: 589,191.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,100.84 : 1,064,152.40 = 426,936.76 : x
  2. Step 2: Convert to fraction form
    771,100.84/1,064,152.40 = 426,936.76/x
  3. Step 3: Cross multiply
    771,100.84x = 1,064,152.40 × 426,936.76
  4. Step 4: Simplify right side
    771,100.84x = 454,325,776,209.19
  5. Step 5: Solve for x
    x = 454,325,776,209.19/771,100.84
  6. Step 6: Final answer
    x = 589,191.13

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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.