Home / 874,877.60-1,312,316.40-283,901.60

Finding the Fourth Proportional to 874,877.60, 1,312,316.40 and 283,901.60

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Solution

The fourth proportional to 874,877.60, 1,312,316.40 and 283,901.60 is: 425,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,877.60 : 1,312,316.40 = 283,901.60 : x
  2. Step 2: Convert to fraction form
    874,877.60/1,312,316.40 = 283,901.60/x
  3. Step 3: Cross multiply
    874,877.60x = 1,312,316.40 × 283,901.60
  4. Step 4: Simplify right side
    874,877.60x = 372,568,725,666.24
  5. Step 5: Solve for x
    x = 372,568,725,666.24/874,877.60
  6. Step 6: Final answer
    x = 425,852.40

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Double scale
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Similar ratio
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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.