Home / 917,254.80-1,374,715.80-442,918.80

Finding the Fourth Proportional to 917,254.80, 1,374,715.80 and 442,918.80

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Solution

The fourth proportional to 917,254.80, 1,374,715.80 and 442,918.80 is: 663,814.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,254.80 : 1,374,715.80 = 442,918.80 : x
  2. Step 2: Convert to fraction form
    917,254.80/1,374,715.80 = 442,918.80/x
  3. Step 3: Cross multiply
    917,254.80x = 1,374,715.80 × 442,918.80
  4. Step 4: Simplify right side
    917,254.80x = 608,887,472,477.04
  5. Step 5: Solve for x
    x = 608,887,472,477.04/917,254.80
  6. Step 6: Final answer
    x = 663,814.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.