Home / 760,941.90-1,050,099.39-421,409.88

Finding the Fourth Proportional to 760,941.90, 1,050,099.39 and 421,409.88

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Solution

The fourth proportional to 760,941.90, 1,050,099.39 and 421,409.88 is: 581,545.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,941.90 : 1,050,099.39 = 421,409.88 : x
  2. Step 2: Convert to fraction form
    760,941.90/1,050,099.39 = 421,409.88/x
  3. Step 3: Cross multiply
    760,941.90x = 1,050,099.39 × 421,409.88
  4. Step 4: Simplify right side
    760,941.90x = 442,522,257,927.97
  5. Step 5: Solve for x
    x = 442,522,257,927.97/760,941.90
  6. Step 6: Final answer
    x = 581,545.40

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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.