Home / 736,666.68-1,105,590.51-381,782.16

Finding the Fourth Proportional to 736,666.68, 1,105,590.51 and 381,782.16

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Solution

The fourth proportional to 736,666.68, 1,105,590.51 and 381,782.16 is: 572,979.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,666.68 : 1,105,590.51 = 381,782.16 : x
  2. Step 2: Convert to fraction form
    736,666.68/1,105,590.51 = 381,782.16/x
  3. Step 3: Cross multiply
    736,666.68x = 1,105,590.51 × 381,782.16
  4. Step 4: Simplify right side
    736,666.68x = 422,094,732,983.30
  5. Step 5: Solve for x
    x = 422,094,732,983.30/736,666.68
  6. Step 6: Final answer
    x = 572,979.27

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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.