Home / 966,132-1,333,303.80-536,412.18

Finding the Fourth Proportional to 966,132, 1,333,303.80 and 536,412.18

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Solution

The fourth proportional to 966,132, 1,333,303.80 and 536,412.18 is: 740,271.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,132 : 1,333,303.80 = 536,412.18 : x
  2. Step 2: Convert to fraction form
    966,132/1,333,303.80 = 536,412.18/x
  3. Step 3: Cross multiply
    966,132x = 1,333,303.80 × 536,412.18
  4. Step 4: Simplify right side
    966,132x = 715,200,397,960.28
  5. Step 5: Solve for x
    x = 715,200,397,960.28/966,132
  6. Step 6: Final answer
    x = 740,271.93

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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.