Home / 670,512.94-1,006,430.40-492,520.30

Finding the Fourth Proportional to 670,512.94, 1,006,430.40 and 492,520.30

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Solution

The fourth proportional to 670,512.94, 1,006,430.40 and 492,520.30 is: 739,265.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,512.94 : 1,006,430.40 = 492,520.30 : x
  2. Step 2: Convert to fraction form
    670,512.94/1,006,430.40 = 492,520.30/x
  3. Step 3: Cross multiply
    670,512.94x = 1,006,430.40 × 492,520.30
  4. Step 4: Simplify right side
    670,512.94x = 495,687,402,537.12
  5. Step 5: Solve for x
    x = 495,687,402,537.12/670,512.94
  6. Step 6: Final answer
    x = 739,265.98

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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.