Home / 985,267.80-1,477,901.70-453,826.80

Finding the Fourth Proportional to 985,267.80, 1,477,901.70 and 453,826.80

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Solution

The fourth proportional to 985,267.80, 1,477,901.70 and 453,826.80 is: 680,740.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,267.80 : 1,477,901.70 = 453,826.80 : x
  2. Step 2: Convert to fraction form
    985,267.80/1,477,901.70 = 453,826.80/x
  3. Step 3: Cross multiply
    985,267.80x = 1,477,901.70 × 453,826.80
  4. Step 4: Simplify right side
    985,267.80x = 670,711,399,225.56
  5. Step 5: Solve for x
    x = 670,711,399,225.56/985,267.80
  6. Step 6: Final answer
    x = 680,740.20

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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.