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Finding the Fourth Proportional to 637,189.66, 879,303.36 and 350,703.60

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Solution

The fourth proportional to 637,189.66, 879,303.36 and 350,703.60 is: 483,960.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,189.66 : 879,303.36 = 350,703.60 : x
  2. Step 2: Convert to fraction form
    637,189.66/879,303.36 = 350,703.60/x
  3. Step 3: Cross multiply
    637,189.66x = 879,303.36 × 350,703.60
  4. Step 4: Simplify right side
    637,189.66x = 308,374,853,844.10
  5. Step 5: Solve for x
    x = 308,374,853,844.10/637,189.66
  6. Step 6: Final answer
    x = 483,960.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.