Home / 771,567.60-1,157,005.80-350,626.80

Finding the Fourth Proportional to 771,567.60, 1,157,005.80 and 350,626.80

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Solution

The fourth proportional to 771,567.60, 1,157,005.80 and 350,626.80 is: 525,783.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,567.60 : 1,157,005.80 = 350,626.80 : x
  2. Step 2: Convert to fraction form
    771,567.60/1,157,005.80 = 350,626.80/x
  3. Step 3: Cross multiply
    771,567.60x = 1,157,005.80 × 350,626.80
  4. Step 4: Simplify right side
    771,567.60x = 405,677,241,235.44
  5. Step 5: Solve for x
    x = 405,677,241,235.44/771,567.60
  6. Step 6: Final answer
    x = 525,783.15

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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.