Home / 917,428.04-1,266,041.94-515,017.16

Finding the Fourth Proportional to 917,428.04, 1,266,041.94 and 515,017.16

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Solution

The fourth proportional to 917,428.04, 1,266,041.94 and 515,017.16 is: 710,718.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,428.04 : 1,266,041.94 = 515,017.16 : x
  2. Step 2: Convert to fraction form
    917,428.04/1,266,041.94 = 515,017.16/x
  3. Step 3: Cross multiply
    917,428.04x = 1,266,041.94 × 515,017.16
  4. Step 4: Simplify right side
    917,428.04x = 652,033,324,379.69
  5. Step 5: Solve for x
    x = 652,033,324,379.69/917,428.04
  6. Step 6: Final answer
    x = 710,718.77

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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.