Home / 917,670.83-1,266,350.49-509,798.30

Finding the Fourth Proportional to 917,670.83, 1,266,350.49 and 509,798.30

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Solution

The fourth proportional to 917,670.83, 1,266,350.49 and 509,798.30 is: 703,502.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,670.83 : 1,266,350.49 = 509,798.30 : x
  2. Step 2: Convert to fraction form
    917,670.83/1,266,350.49 = 509,798.30/x
  3. Step 3: Cross multiply
    917,670.83x = 1,266,350.49 × 509,798.30
  4. Step 4: Simplify right side
    917,670.83x = 645,583,320,674.42
  5. Step 5: Solve for x
    x = 645,583,320,674.42/917,670.83
  6. Step 6: Final answer
    x = 703,502.07

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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.