Home / 452,271.42-624,426.62-280,373.09

Finding the Fourth Proportional to 452,271.42, 624,426.62 and 280,373.09

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Solution

The fourth proportional to 452,271.42, 624,426.62 and 280,373.09 is: 387,095.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,271.42 : 624,426.62 = 280,373.09 : x
  2. Step 2: Convert to fraction form
    452,271.42/624,426.62 = 280,373.09/x
  3. Step 3: Cross multiply
    452,271.42x = 624,426.62 × 280,373.09
  4. Step 4: Simplify right side
    452,271.42x = 175,072,416,403.66
  5. Step 5: Solve for x
    x = 175,072,416,403.66/452,271.42
  6. Step 6: Final answer
    x = 387,095.91

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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.