Home / 760,840.62-1,049,779.76-450,586.56

Finding the Fourth Proportional to 760,840.62, 1,049,779.76 and 450,586.56

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Solution

The fourth proportional to 760,840.62, 1,049,779.76 and 450,586.56 is: 621,702.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,840.62 : 1,049,779.76 = 450,586.56 : x
  2. Step 2: Convert to fraction form
    760,840.62/1,049,779.76 = 450,586.56/x
  3. Step 3: Cross multiply
    760,840.62x = 1,049,779.76 × 450,586.56
  4. Step 4: Simplify right side
    760,840.62x = 473,016,650,816.03
  5. Step 5: Solve for x
    x = 473,016,650,816.03/760,840.62
  6. Step 6: Final answer
    x = 621,702.68

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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.