Home / 514,975.50-710,708.04-285,555.60

Finding the Fourth Proportional to 514,975.50, 710,708.04 and 285,555.60

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Solution

The fourth proportional to 514,975.50, 710,708.04 and 285,555.60 is: 394,089.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,975.50 : 710,708.04 = 285,555.60 : x
  2. Step 2: Convert to fraction form
    514,975.50/710,708.04 = 285,555.60/x
  3. Step 3: Cross multiply
    514,975.50x = 710,708.04 × 285,555.60
  4. Step 4: Simplify right side
    514,975.50x = 202,946,660,787.02
  5. Step 5: Solve for x
    x = 202,946,660,787.02/514,975.50
  6. Step 6: Final answer
    x = 394,089.93

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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.