Home / 972,987.48-1,460,378.16-493,551.72

Finding the Fourth Proportional to 972,987.48, 1,460,378.16 and 493,551.72

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Solution

The fourth proportional to 972,987.48, 1,460,378.16 and 493,551.72 is: 740,782.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,987.48 : 1,460,378.16 = 493,551.72 : x
  2. Step 2: Convert to fraction form
    972,987.48/1,460,378.16 = 493,551.72/x
  3. Step 3: Cross multiply
    972,987.48x = 1,460,378.16 × 493,551.72
  4. Step 4: Simplify right side
    972,987.48x = 720,772,152,718.44
  5. Step 5: Solve for x
    x = 720,772,152,718.44/972,987.48
  6. Step 6: Final answer
    x = 740,782.56

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1.5x scale

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.