Home / 959,926.60-1,439,501.10-328,515.40

Finding the Fourth Proportional to 959,926.60, 1,439,501.10 and 328,515.40

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Solution

The fourth proportional to 959,926.60, 1,439,501.10 and 328,515.40 is: 492,640.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,926.60 : 1,439,501.10 = 328,515.40 : x
  2. Step 2: Convert to fraction form
    959,926.60/1,439,501.10 = 328,515.40/x
  3. Step 3: Cross multiply
    959,926.60x = 1,439,501.10 × 328,515.40
  4. Step 4: Simplify right side
    959,926.60x = 472,898,279,666.94
  5. Step 5: Solve for x
    x = 472,898,279,666.94/959,926.60
  6. Step 6: Final answer
    x = 492,640.04

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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.