Home / 673,742.40-1,011,002.40-253,060.80

Finding the Fourth Proportional to 673,742.40, 1,011,002.40 and 253,060.80

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Solution

The fourth proportional to 673,742.40, 1,011,002.40 and 253,060.80 is: 379,737.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,742.40 : 1,011,002.40 = 253,060.80 : x
  2. Step 2: Convert to fraction form
    673,742.40/1,011,002.40 = 253,060.80/x
  3. Step 3: Cross multiply
    673,742.40x = 1,011,002.40 × 253,060.80
  4. Step 4: Simplify right side
    673,742.40x = 255,845,076,145.92
  5. Step 5: Solve for x
    x = 255,845,076,145.92/673,742.40
  6. Step 6: Final answer
    x = 379,737.24

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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.