Home / 898,980.48-1,240,589.28-496,572.48

Finding the Fourth Proportional to 898,980.48, 1,240,589.28 and 496,572.48

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Solution

The fourth proportional to 898,980.48, 1,240,589.28 and 496,572.48 is: 685,267.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,980.48 : 1,240,589.28 = 496,572.48 : x
  2. Step 2: Convert to fraction form
    898,980.48/1,240,589.28 = 496,572.48/x
  3. Step 3: Cross multiply
    898,980.48x = 1,240,589.28 × 496,572.48
  4. Step 4: Simplify right side
    898,980.48x = 616,042,495,431.01
  5. Step 5: Solve for x
    x = 616,042,495,431.01/898,980.48
  6. Step 6: Final answer
    x = 685,267.93

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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.