Home / 917,378.29-1,266,024.14-509,482.03

Finding the Fourth Proportional to 917,378.29, 1,266,024.14 and 509,482.03

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Solution

The fourth proportional to 917,378.29, 1,266,024.14 and 509,482.03 is: 703,108.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,378.29 : 1,266,024.14 = 509,482.03 : x
  2. Step 2: Convert to fraction form
    917,378.29/1,266,024.14 = 509,482.03/x
  3. Step 3: Cross multiply
    917,378.29x = 1,266,024.14 × 509,482.03
  4. Step 4: Simplify right side
    917,378.29x = 645,016,546,328.79
  5. Step 5: Solve for x
    x = 645,016,546,328.79/917,378.29
  6. Step 6: Final answer
    x = 703,108.58

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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.