Home / 959,225.10-1,439,356.05-426,828.30

Finding the Fourth Proportional to 959,225.10, 1,439,356.05 and 426,828.30

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Solution

The fourth proportional to 959,225.10, 1,439,356.05 and 426,828.30 is: 640,473.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,225.10 : 1,439,356.05 = 426,828.30 : x
  2. Step 2: Convert to fraction form
    959,225.10/1,439,356.05 = 426,828.30/x
  3. Step 3: Cross multiply
    959,225.10x = 1,439,356.05 × 426,828.30
  4. Step 4: Simplify right side
    959,225.10x = 614,357,895,916.22
  5. Step 5: Solve for x
    x = 614,357,895,916.22/959,225.10
  6. Step 6: Final answer
    x = 640,473.12

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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.