Home / 670,124.80-1,003,826.40-416,627.20

Finding the Fourth Proportional to 670,124.80, 1,003,826.40 and 416,627.20

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Solution

The fourth proportional to 670,124.80, 1,003,826.40 and 416,627.20 is: 624,094.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,124.80 : 1,003,826.40 = 416,627.20 : x
  2. Step 2: Convert to fraction form
    670,124.80/1,003,826.40 = 416,627.20/x
  3. Step 3: Cross multiply
    670,124.80x = 1,003,826.40 × 416,627.20
  4. Step 4: Simplify right side
    670,124.80x = 418,221,382,318.08
  5. Step 5: Solve for x
    x = 418,221,382,318.08/670,124.80
  6. Step 6: Final answer
    x = 624,094.77

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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.