Home / 758,962.05-1,047,513.81-487,373.10

Finding the Fourth Proportional to 758,962.05, 1,047,513.81 and 487,373.10

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Solution

The fourth proportional to 758,962.05, 1,047,513.81 and 487,373.10 is: 672,668.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,962.05 : 1,047,513.81 = 487,373.10 : x
  2. Step 2: Convert to fraction form
    758,962.05/1,047,513.81 = 487,373.10/x
  3. Step 3: Cross multiply
    758,962.05x = 1,047,513.81 × 487,373.10
  4. Step 4: Simplify right side
    758,962.05x = 510,530,052,872.51
  5. Step 5: Solve for x
    x = 510,530,052,872.51/758,962.05
  6. Step 6: Final answer
    x = 672,668.75

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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.