Home / 839,124.34-1,158,131.98-495,045.66

Finding the Fourth Proportional to 839,124.34, 1,158,131.98 and 495,045.66

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Solution

The fourth proportional to 839,124.34, 1,158,131.98 and 495,045.66 is: 683,245.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,124.34 : 1,158,131.98 = 495,045.66 : x
  2. Step 2: Convert to fraction form
    839,124.34/1,158,131.98 = 495,045.66/x
  3. Step 3: Cross multiply
    839,124.34x = 1,158,131.98 × 495,045.66
  4. Step 4: Simplify right side
    839,124.34x = 573,328,210,406.21
  5. Step 5: Solve for x
    x = 573,328,210,406.21/839,124.34
  6. Step 6: Final answer
    x = 683,245.84

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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.