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Finding the Fourth Proportional to 575,330.72, 793,960.32 and 320,697.92

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Solution

The fourth proportional to 575,330.72, 793,960.32 and 320,697.92 is: 442,565.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,330.72 : 793,960.32 = 320,697.92 : x
  2. Step 2: Convert to fraction form
    575,330.72/793,960.32 = 320,697.92/x
  3. Step 3: Cross multiply
    575,330.72x = 793,960.32 × 320,697.92
  4. Step 4: Simplify right side
    575,330.72x = 254,621,423,186.53
  5. Step 5: Solve for x
    x = 254,621,423,186.53/575,330.72
  6. Step 6: Final answer
    x = 442,565.32

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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.