Home / 835,401.65-1,152,855.59-453,428.60

Finding the Fourth Proportional to 835,401.65, 1,152,855.59 and 453,428.60

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Solution

The fourth proportional to 835,401.65, 1,152,855.59 and 453,428.60 is: 625,732.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,401.65 : 1,152,855.59 = 453,428.60 : x
  2. Step 2: Convert to fraction form
    835,401.65/1,152,855.59 = 453,428.60/x
  3. Step 3: Cross multiply
    835,401.65x = 1,152,855.59 × 453,428.60
  4. Step 4: Simplify right side
    835,401.65x = 522,737,688,144.45
  5. Step 5: Solve for x
    x = 522,737,688,144.45/835,401.65
  6. Step 6: Final answer
    x = 625,732.17

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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.