Home / 558,817.58-771,146.87-317,085.77

Finding the Fourth Proportional to 558,817.58, 771,146.87 and 317,085.77

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Solution

The fourth proportional to 558,817.58, 771,146.87 and 317,085.77 is: 437,566.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,817.58 : 771,146.87 = 317,085.77 : x
  2. Step 2: Convert to fraction form
    558,817.58/771,146.87 = 317,085.77/x
  3. Step 3: Cross multiply
    558,817.58x = 771,146.87 × 317,085.77
  4. Step 4: Simplify right side
    558,817.58x = 244,519,699,399.48
  5. Step 5: Solve for x
    x = 244,519,699,399.48/558,817.58
  6. Step 6: Final answer
    x = 437,566.22

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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.