Home / 771,875.60-1,157,485.34-316,152.65

Finding the Fourth Proportional to 771,875.60, 1,157,485.34 and 316,152.65

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Solution

The fourth proportional to 771,875.60, 1,157,485.34 and 316,152.65 is: 474,094.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,875.60 : 1,157,485.34 = 316,152.65 : x
  2. Step 2: Convert to fraction form
    771,875.60/1,157,485.34 = 316,152.65/x
  3. Step 3: Cross multiply
    771,875.60x = 1,157,485.34 × 316,152.65
  4. Step 4: Simplify right side
    771,875.60x = 365,942,061,261.25
  5. Step 5: Solve for x
    x = 365,942,061,261.25/771,875.60
  6. Step 6: Final answer
    x = 474,094.61

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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.