Home / 880,339.84-1,214,875.20-477,931.84

Finding the Fourth Proportional to 880,339.84, 1,214,875.20 and 477,931.84

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Solution

The fourth proportional to 880,339.84, 1,214,875.20 and 477,931.84 is: 659,549.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,339.84 : 1,214,875.20 = 477,931.84 : x
  2. Step 2: Convert to fraction form
    880,339.84/1,214,875.20 = 477,931.84/x
  3. Step 3: Cross multiply
    880,339.84x = 1,214,875.20 × 477,931.84
  4. Step 4: Simplify right side
    880,339.84x = 580,627,539,706.37
  5. Step 5: Solve for x
    x = 580,627,539,706.37/880,339.84
  6. Step 6: Final answer
    x = 659,549.32

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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.