Home / 771,598.08-1,064,793.78-427,432.95

Finding the Fourth Proportional to 771,598.08, 1,064,793.78 and 427,432.95

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Solution

The fourth proportional to 771,598.08, 1,064,793.78 and 427,432.95 is: 589,851.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,598.08 : 1,064,793.78 = 427,432.95 : x
  2. Step 2: Convert to fraction form
    771,598.08/1,064,793.78 = 427,432.95/x
  3. Step 3: Cross multiply
    771,598.08x = 1,064,793.78 × 427,432.95
  4. Step 4: Simplify right side
    771,598.08x = 455,127,946,527.05
  5. Step 5: Solve for x
    x = 455,127,946,527.05/771,598.08
  6. Step 6: Final answer
    x = 589,851.06

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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.