Home / 690,150.48-1,035,668.16-334,970.88

Finding the Fourth Proportional to 690,150.48, 1,035,668.16 and 334,970.88

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Solution

The fourth proportional to 690,150.48, 1,035,668.16 and 334,970.88 is: 502,671.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,150.48 : 1,035,668.16 = 334,970.88 : x
  2. Step 2: Convert to fraction form
    690,150.48/1,035,668.16 = 334,970.88/x
  3. Step 3: Cross multiply
    690,150.48x = 1,035,668.16 × 334,970.88
  4. Step 4: Simplify right side
    690,150.48x = 346,918,674,943.18
  5. Step 5: Solve for x
    x = 346,918,674,943.18/690,150.48
  6. Step 6: Final answer
    x = 502,671.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.