Home / 989,483.52-1,365,489.88-536,774.52

Finding the Fourth Proportional to 989,483.52, 1,365,489.88 and 536,774.52

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Solution

The fourth proportional to 989,483.52, 1,365,489.88 and 536,774.52 is: 740,750.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,483.52 : 1,365,489.88 = 536,774.52 : x
  2. Step 2: Convert to fraction form
    989,483.52/1,365,489.88 = 536,774.52/x
  3. Step 3: Cross multiply
    989,483.52x = 1,365,489.88 × 536,774.52
  4. Step 4: Simplify right side
    989,483.52x = 732,960,174,901.86
  5. Step 5: Solve for x
    x = 732,960,174,901.86/989,483.52
  6. Step 6: Final answer
    x = 740,750.26

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1.5x scale

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.