Home / 434,429.20-651,643.80-293,424.40

Finding the Fourth Proportional to 434,429.20, 651,643.80 and 293,424.40

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Solution

The fourth proportional to 434,429.20, 651,643.80 and 293,424.40 is: 440,136.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,429.20 : 651,643.80 = 293,424.40 : x
  2. Step 2: Convert to fraction form
    434,429.20/651,643.80 = 293,424.40/x
  3. Step 3: Cross multiply
    434,429.20x = 651,643.80 × 293,424.40
  4. Step 4: Simplify right side
    434,429.20x = 191,208,191,028.72
  5. Step 5: Solve for x
    x = 191,208,191,028.72/434,429.20
  6. Step 6: Final answer
    x = 440,136.60

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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.