Home / 918,118.42-1,266,902.82-530,875.24

Finding the Fourth Proportional to 918,118.42, 1,266,902.82 and 530,875.24

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Solution

The fourth proportional to 918,118.42, 1,266,902.82 and 530,875.24 is: 732,549.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,118.42 : 1,266,902.82 = 530,875.24 : x
  2. Step 2: Convert to fraction form
    918,118.42/1,266,902.82 = 530,875.24/x
  3. Step 3: Cross multiply
    918,118.42x = 1,266,902.82 × 530,875.24
  4. Step 4: Simplify right side
    918,118.42x = 672,567,335,969.80
  5. Step 5: Solve for x
    x = 672,567,335,969.80/918,118.42
  6. Step 6: Final answer
    x = 732,549.66

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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.