Home / 670,520.94-1,006,442.37-492,528.30

Finding the Fourth Proportional to 670,520.94, 1,006,442.37 and 492,528.30

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Solution

The fourth proportional to 670,520.94, 1,006,442.37 and 492,528.30 is: 739,277.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,520.94 : 1,006,442.37 = 492,528.30 : x
  2. Step 2: Convert to fraction form
    670,520.94/1,006,442.37 = 492,528.30/x
  3. Step 3: Cross multiply
    670,520.94x = 1,006,442.37 × 492,528.30
  4. Step 4: Simplify right side
    670,520.94x = 495,701,349,544.07
  5. Step 5: Solve for x
    x = 495,701,349,544.07/670,520.94
  6. Step 6: Final answer
    x = 739,277.96

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Double scale
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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.