Home / 434,826.80-652,240.20-285,527.60

Finding the Fourth Proportional to 434,826.80, 652,240.20 and 285,527.60

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Solution

The fourth proportional to 434,826.80, 652,240.20 and 285,527.60 is: 428,291.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,826.80 : 652,240.20 = 285,527.60 : x
  2. Step 2: Convert to fraction form
    434,826.80/652,240.20 = 285,527.60/x
  3. Step 3: Cross multiply
    434,826.80x = 652,240.20 × 285,527.60
  4. Step 4: Simplify right side
    434,826.80x = 186,232,578,929.52
  5. Step 5: Solve for x
    x = 186,232,578,929.52/434,826.80
  6. Step 6: Final answer
    x = 428,291.40

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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.