Home / 760,410.32-1,049,599.86-438,335.72

Finding the Fourth Proportional to 760,410.32, 1,049,599.86 and 438,335.72

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Solution

The fourth proportional to 760,410.32, 1,049,599.86 and 438,335.72 is: 605,037.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,410.32 : 1,049,599.86 = 438,335.72 : x
  2. Step 2: Convert to fraction form
    760,410.32/1,049,599.86 = 438,335.72/x
  3. Step 3: Cross multiply
    760,410.32x = 1,049,599.86 × 438,335.72
  4. Step 4: Simplify right side
    760,410.32x = 460,077,110,345.00
  5. Step 5: Solve for x
    x = 460,077,110,345.00/760,410.32
  6. Step 6: Final answer
    x = 605,037.96

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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.