Home / 984,520.40-1,476,703.80-385,365.20

Finding the Fourth Proportional to 984,520.40, 1,476,703.80 and 385,365.20

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Solution

The fourth proportional to 984,520.40, 1,476,703.80 and 385,365.20 is: 578,017.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,520.40 : 1,476,703.80 = 385,365.20 : x
  2. Step 2: Convert to fraction form
    984,520.40/1,476,703.80 = 385,365.20/x
  3. Step 3: Cross multiply
    984,520.40x = 1,476,703.80 × 385,365.20
  4. Step 4: Simplify right side
    984,520.40x = 569,070,255,227.76
  5. Step 5: Solve for x
    x = 569,070,255,227.76/984,520.40
  6. Step 6: Final answer
    x = 578,017.74

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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.