Home / 983,312.25-1,357,159.38-553,592.42

Finding the Fourth Proportional to 983,312.25, 1,357,159.38 and 553,592.42

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Solution

The fourth proportional to 983,312.25, 1,357,159.38 and 553,592.42 is: 764,063.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,312.25 : 1,357,159.38 = 553,592.42 : x
  2. Step 2: Convert to fraction form
    983,312.25/1,357,159.38 = 553,592.42/x
  3. Step 3: Cross multiply
    983,312.25x = 1,357,159.38 × 553,592.42
  4. Step 4: Simplify right side
    983,312.25x = 751,313,138,714.10
  5. Step 5: Solve for x
    x = 751,313,138,714.10/983,312.25
  6. Step 6: Final answer
    x = 764,063.64

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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.