Home / 917,419.30-1,266,068.16-509,526.03

Finding the Fourth Proportional to 917,419.30, 1,266,068.16 and 509,526.03

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Solution

The fourth proportional to 917,419.30, 1,266,068.16 and 509,526.03 is: 703,162.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,419.30 : 1,266,068.16 = 509,526.03 : x
  2. Step 2: Convert to fraction form
    917,419.30/1,266,068.16 = 509,526.03/x
  3. Step 3: Cross multiply
    917,419.30x = 1,266,068.16 × 509,526.03
  4. Step 4: Simplify right side
    917,419.30x = 645,094,689,455.00
  5. Step 5: Solve for x
    x = 645,094,689,455.00/917,419.30
  6. Step 6: Final answer
    x = 703,162.32

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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.