Home / 985,077.36-1,477,699.80-310,978.32

Finding the Fourth Proportional to 985,077.36, 1,477,699.80 and 310,978.32

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Solution

The fourth proportional to 985,077.36, 1,477,699.80 and 310,978.32 is: 466,493.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,077.36 : 1,477,699.80 = 310,978.32 : x
  2. Step 2: Convert to fraction form
    985,077.36/1,477,699.80 = 310,978.32/x
  3. Step 3: Cross multiply
    985,077.36x = 1,477,699.80 × 310,978.32
  4. Step 4: Simplify right side
    985,077.36x = 459,532,601,268.34
  5. Step 5: Solve for x
    x = 459,532,601,268.34/985,077.36
  6. Step 6: Final answer
    x = 466,493.92

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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.