Home / 816,957.52-1,127,322.40-472,724.80

Finding the Fourth Proportional to 816,957.52, 1,127,322.40 and 472,724.80

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Solution

The fourth proportional to 816,957.52, 1,127,322.40 and 472,724.80 is: 652,314.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,957.52 : 1,127,322.40 = 472,724.80 : x
  2. Step 2: Convert to fraction form
    816,957.52/1,127,322.40 = 472,724.80/x
  3. Step 3: Cross multiply
    816,957.52x = 1,127,322.40 × 472,724.80
  4. Step 4: Simplify right side
    816,957.52x = 532,913,256,075.52
  5. Step 5: Solve for x
    x = 532,913,256,075.52/816,957.52
  6. Step 6: Final answer
    x = 652,314.52

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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.