Home / 760,275.36-1,138,140.90-459,847.26

Finding the Fourth Proportional to 760,275.36, 1,138,140.90 and 459,847.26

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Solution

The fourth proportional to 760,275.36, 1,138,140.90 and 459,847.26 is: 688,396.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,275.36 : 1,138,140.90 = 459,847.26 : x
  2. Step 2: Convert to fraction form
    760,275.36/1,138,140.90 = 459,847.26/x
  3. Step 3: Cross multiply
    760,275.36x = 1,138,140.90 × 459,847.26
  4. Step 4: Simplify right side
    760,275.36x = 523,370,974,358.93
  5. Step 5: Solve for x
    x = 523,370,974,358.93/760,275.36
  6. Step 6: Final answer
    x = 688,396.60

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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.