Home / 917,835.37-1,266,538.53-530,675.65

Finding the Fourth Proportional to 917,835.37, 1,266,538.53 and 530,675.65

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Solution

The fourth proportional to 917,835.37, 1,266,538.53 and 530,675.65 is: 732,289.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,835.37 : 1,266,538.53 = 530,675.65 : x
  2. Step 2: Convert to fraction form
    917,835.37/1,266,538.53 = 530,675.65/x
  3. Step 3: Cross multiply
    917,835.37x = 1,266,538.53 × 530,675.65
  4. Step 4: Simplify right side
    917,835.37x = 672,121,157,657.80
  5. Step 5: Solve for x
    x = 672,121,157,657.80/917,835.37
  6. Step 6: Final answer
    x = 732,289.45

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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.