Home / 917,394.15-1,266,427.61-550,045.13

Finding the Fourth Proportional to 917,394.15, 1,266,427.61 and 550,045.13

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Solution

The fourth proportional to 917,394.15, 1,266,427.61 and 550,045.13 is: 759,316.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,394.15 : 1,266,427.61 = 550,045.13 : x
  2. Step 2: Convert to fraction form
    917,394.15/1,266,427.61 = 550,045.13/x
  3. Step 3: Cross multiply
    917,394.15x = 1,266,427.61 × 550,045.13
  4. Step 4: Simplify right side
    917,394.15x = 696,592,339,482.00
  5. Step 5: Solve for x
    x = 696,592,339,482.00/917,394.15
  6. Step 6: Final answer
    x = 759,316.31

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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.