Home / 626,429.54-939,782.81-266,581.46

Finding the Fourth Proportional to 626,429.54, 939,782.81 and 266,581.46

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Solution

The fourth proportional to 626,429.54, 939,782.81 and 266,581.46 is: 399,931.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,429.54 : 939,782.81 = 266,581.46 : x
  2. Step 2: Convert to fraction form
    626,429.54/939,782.81 = 266,581.46/x
  3. Step 3: Cross multiply
    626,429.54x = 939,782.81 × 266,581.46
  4. Step 4: Simplify right side
    626,429.54x = 250,528,676,588.61
  5. Step 5: Solve for x
    x = 250,528,676,588.61/626,429.54
  6. Step 6: Final answer
    x = 399,931.13

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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.