Home / 690,720.08-1,034,167.02-353,033.52

Finding the Fourth Proportional to 690,720.08, 1,034,167.02 and 353,033.52

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Solution

The fourth proportional to 690,720.08, 1,034,167.02 and 353,033.52 is: 528,572.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,720.08 : 1,034,167.02 = 353,033.52 : x
  2. Step 2: Convert to fraction form
    690,720.08/1,034,167.02 = 353,033.52/x
  3. Step 3: Cross multiply
    690,720.08x = 1,034,167.02 × 353,033.52
  4. Step 4: Simplify right side
    690,720.08x = 365,095,623,338.51
  5. Step 5: Solve for x
    x = 365,095,623,338.51/690,720.08
  6. Step 6: Final answer
    x = 528,572.48

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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.