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Finding the Fourth Proportional to 575,739.53, 794,518.23 and 317,632.52

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Solution

The fourth proportional to 575,739.53, 794,518.23 and 317,632.52 is: 438,331.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,739.53 : 794,518.23 = 317,632.52 : x
  2. Step 2: Convert to fraction form
    575,739.53/794,518.23 = 317,632.52/x
  3. Step 3: Cross multiply
    575,739.53x = 794,518.23 × 317,632.52
  4. Step 4: Simplify right side
    575,739.53x = 252,364,830,758.26
  5. Step 5: Solve for x
    x = 252,364,830,758.26/575,739.53
  6. Step 6: Final answer
    x = 438,331.60

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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.