Home / 917,632.69-1,266,368.65-509,765.49

Finding the Fourth Proportional to 917,632.69, 1,266,368.65 and 509,765.49

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Solution

The fourth proportional to 917,632.69, 1,266,368.65 and 509,765.49 is: 703,496.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,632.69 : 1,266,368.65 = 509,765.49 : x
  2. Step 2: Convert to fraction form
    917,632.69/1,266,368.65 = 509,765.49/x
  3. Step 3: Cross multiply
    917,632.69x = 1,266,368.65 × 509,765.49
  4. Step 4: Simplify right side
    917,632.69x = 645,551,034,113.48
  5. Step 5: Solve for x
    x = 645,551,034,113.48/917,632.69
  6. Step 6: Final answer
    x = 703,496.12

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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.