Home / 984,566.40-1,476,772.80-385,411.20

Finding the Fourth Proportional to 984,566.40, 1,476,772.80 and 385,411.20

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Solution

The fourth proportional to 984,566.40, 1,476,772.80 and 385,411.20 is: 578,086.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,566.40 : 1,476,772.80 = 385,411.20 : x
  2. Step 2: Convert to fraction form
    984,566.40/1,476,772.80 = 385,411.20/x
  3. Step 3: Cross multiply
    984,566.40x = 1,476,772.80 × 385,411.20
  4. Step 4: Simplify right side
    984,566.40x = 569,164,776,975.36
  5. Step 5: Solve for x
    x = 569,164,776,975.36/984,566.40
  6. Step 6: Final answer
    x = 578,086.74

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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.