Home / 908,699.68-1,254,013.86-500,816.08

Finding the Fourth Proportional to 908,699.68, 1,254,013.86 and 500,816.08

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Solution

The fourth proportional to 908,699.68, 1,254,013.86 and 500,816.08 is: 691,130.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,699.68 : 1,254,013.86 = 500,816.08 : x
  2. Step 2: Convert to fraction form
    908,699.68/1,254,013.86 = 500,816.08/x
  3. Step 3: Cross multiply
    908,699.68x = 1,254,013.86 × 500,816.08
  4. Step 4: Simplify right side
    908,699.68x = 628,030,305,630.87
  5. Step 5: Solve for x
    x = 628,030,305,630.87/908,699.68
  6. Step 6: Final answer
    x = 691,130.77

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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.