Home / 759,538.44-1,047,210.36-487,125.72

Finding the Fourth Proportional to 759,538.44, 1,047,210.36 and 487,125.72

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Solution

The fourth proportional to 759,538.44, 1,047,210.36 and 487,125.72 is: 671,622.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,538.44 : 1,047,210.36 = 487,125.72 : x
  2. Step 2: Convert to fraction form
    759,538.44/1,047,210.36 = 487,125.72/x
  3. Step 3: Cross multiply
    759,538.44x = 1,047,210.36 × 487,125.72
  4. Step 4: Simplify right side
    759,538.44x = 510,123,100,606.46
  5. Step 5: Solve for x
    x = 510,123,100,606.46/759,538.44
  6. Step 6: Final answer
    x = 671,622.49

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Double scale
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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.