Home / 985,272.40-1,477,908.60-630,978.40

Finding the Fourth Proportional to 985,272.40, 1,477,908.60 and 630,978.40

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Solution

The fourth proportional to 985,272.40, 1,477,908.60 and 630,978.40 is: 946,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,272.40 : 1,477,908.60 = 630,978.40 : x
  2. Step 2: Convert to fraction form
    985,272.40/1,477,908.60 = 630,978.40/x
  3. Step 3: Cross multiply
    985,272.40x = 1,477,908.60 × 630,978.40
  4. Step 4: Simplify right side
    985,272.40x = 932,528,403,774.24
  5. Step 5: Solve for x
    x = 932,528,403,774.24/985,272.40
  6. Step 6: Final answer
    x = 946,467.60

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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.