Home / 751,533.20-1,037,124.36-429,286.16

Finding the Fourth Proportional to 751,533.20, 1,037,124.36 and 429,286.16

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Solution

The fourth proportional to 751,533.20, 1,037,124.36 and 429,286.16 is: 592,419.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,533.20 : 1,037,124.36 = 429,286.16 : x
  2. Step 2: Convert to fraction form
    751,533.20/1,037,124.36 = 429,286.16/x
  3. Step 3: Cross multiply
    751,533.20x = 1,037,124.36 × 429,286.16
  4. Step 4: Simplify right side
    751,533.20x = 445,223,133,946.86
  5. Step 5: Solve for x
    x = 445,223,133,946.86/751,533.20
  6. Step 6: Final answer
    x = 592,419.78

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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.