Home / 880,547.60-1,320,821.40-459,725.60

Finding the Fourth Proportional to 880,547.60, 1,320,821.40 and 459,725.60

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Solution

The fourth proportional to 880,547.60, 1,320,821.40 and 459,725.60 is: 689,588.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,547.60 : 1,320,821.40 = 459,725.60 : x
  2. Step 2: Convert to fraction form
    880,547.60/1,320,821.40 = 459,725.60/x
  3. Step 3: Cross multiply
    880,547.60x = 1,320,821.40 × 459,725.60
  4. Step 4: Simplify right side
    880,547.60x = 607,215,410,607.84
  5. Step 5: Solve for x
    x = 607,215,410,607.84/880,547.60
  6. Step 6: Final answer
    x = 689,588.40

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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.