Home / 856,472.40-1,181,885.36-474,476.40

Finding the Fourth Proportional to 856,472.40, 1,181,885.36 and 474,476.40

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Solution

The fourth proportional to 856,472.40, 1,181,885.36 and 474,476.40 is: 654,751.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,472.40 : 1,181,885.36 = 474,476.40 : x
  2. Step 2: Convert to fraction form
    856,472.40/1,181,885.36 = 474,476.40/x
  3. Step 3: Cross multiply
    856,472.40x = 1,181,885.36 × 474,476.40
  4. Step 4: Simplify right side
    856,472.40x = 560,776,710,825.50
  5. Step 5: Solve for x
    x = 560,776,710,825.50/856,472.40
  6. Step 6: Final answer
    x = 654,751.64

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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.