Home / 785,877.76-1,084,642.40-463,667.84

Finding the Fourth Proportional to 785,877.76, 1,084,642.40 and 463,667.84

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Solution

The fourth proportional to 785,877.76, 1,084,642.40 and 463,667.84 is: 639,938.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,877.76 : 1,084,642.40 = 463,667.84 : x
  2. Step 2: Convert to fraction form
    785,877.76/1,084,642.40 = 463,667.84/x
  3. Step 3: Cross multiply
    785,877.76x = 1,084,642.40 × 463,667.84
  4. Step 4: Simplify right side
    785,877.76x = 502,913,798,780.42
  5. Step 5: Solve for x
    x = 502,913,798,780.42/785,877.76
  6. Step 6: Final answer
    x = 639,938.96

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Double scale
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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.