Home / 789,920.10-1,182,875.40-434,532.60

Finding the Fourth Proportional to 789,920.10, 1,182,875.40 and 434,532.60

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Solution

The fourth proportional to 789,920.10, 1,182,875.40 and 434,532.60 is: 650,696.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,920.10 : 1,182,875.40 = 434,532.60 : x
  2. Step 2: Convert to fraction form
    789,920.10/1,182,875.40 = 434,532.60/x
  3. Step 3: Cross multiply
    789,920.10x = 1,182,875.40 × 434,532.60
  4. Step 4: Simplify right side
    789,920.10x = 513,997,923,038.04
  5. Step 5: Solve for x
    x = 513,997,923,038.04/789,920.10
  6. Step 6: Final answer
    x = 650,696.09

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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.