Home / 760,833.90-1,140,441.57-287,317.74

Finding the Fourth Proportional to 760,833.90, 1,140,441.57 and 287,317.74

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Solution

The fourth proportional to 760,833.90, 1,140,441.57 and 287,317.74 is: 430,671.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,833.90 : 1,140,441.57 = 287,317.74 : x
  2. Step 2: Convert to fraction form
    760,833.90/1,140,441.57 = 287,317.74/x
  3. Step 3: Cross multiply
    760,833.90x = 1,140,441.57 × 287,317.74
  4. Step 4: Simplify right side
    760,833.90x = 327,669,094,494.45
  5. Step 5: Solve for x
    x = 327,669,094,494.45/760,833.90
  6. Step 6: Final answer
    x = 430,671.00

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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.