Home / 760,558.32-1,050,065.64-488,730.96

Finding the Fourth Proportional to 760,558.32, 1,050,065.64 and 488,730.96

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Solution

The fourth proportional to 760,558.32, 1,050,065.64 and 488,730.96 is: 674,766.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,558.32 : 1,050,065.64 = 488,730.96 : x
  2. Step 2: Convert to fraction form
    760,558.32/1,050,065.64 = 488,730.96/x
  3. Step 3: Cross multiply
    760,558.32x = 1,050,065.64 × 488,730.96
  4. Step 4: Simplify right side
    760,558.32x = 513,199,588,300.21
  5. Step 5: Solve for x
    x = 513,199,588,300.21/760,558.32
  6. Step 6: Final answer
    x = 674,766.91

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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.