Home / 984,519.40-1,476,702.30-385,364.20

Finding the Fourth Proportional to 984,519.40, 1,476,702.30 and 385,364.20

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Solution

The fourth proportional to 984,519.40, 1,476,702.30 and 385,364.20 is: 578,016.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,519.40 : 1,476,702.30 = 385,364.20 : x
  2. Step 2: Convert to fraction form
    984,519.40/1,476,702.30 = 385,364.20/x
  3. Step 3: Cross multiply
    984,519.40x = 1,476,702.30 × 385,364.20
  4. Step 4: Simplify right side
    984,519.40x = 569,068,200,477.66
  5. Step 5: Solve for x
    x = 569,068,200,477.66/984,519.40
  6. Step 6: Final answer
    x = 578,016.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.