Home / 626,622.42-864,733.02-340,136.36

Finding the Fourth Proportional to 626,622.42, 864,733.02 and 340,136.36

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Solution

The fourth proportional to 626,622.42, 864,733.02 and 340,136.36 is: 469,384.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,622.42 : 864,733.02 = 340,136.36 : x
  2. Step 2: Convert to fraction form
    626,622.42/864,733.02 = 340,136.36/x
  3. Step 3: Cross multiply
    626,622.42x = 864,733.02 × 340,136.36
  4. Step 4: Simplify right side
    626,622.42x = 294,127,141,794.61
  5. Step 5: Solve for x
    x = 294,127,141,794.61/626,622.42
  6. Step 6: Final answer
    x = 469,384.96

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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.