Home / 972,319.56-1,458,479.34-262,347.60

Finding the Fourth Proportional to 972,319.56, 1,458,479.34 and 262,347.60

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Solution

The fourth proportional to 972,319.56, 1,458,479.34 and 262,347.60 is: 393,521.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,319.56 : 1,458,479.34 = 262,347.60 : x
  2. Step 2: Convert to fraction form
    972,319.56/1,458,479.34 = 262,347.60/x
  3. Step 3: Cross multiply
    972,319.56x = 1,458,479.34 × 262,347.60
  4. Step 4: Simplify right side
    972,319.56x = 382,628,545,894.45
  5. Step 5: Solve for x
    x = 382,628,545,894.45/972,319.56
  6. Step 6: Final answer
    x = 393,521.39

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Double scale
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Similar ratio
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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.