Home / 785,475.63-1,084,079.50-463,221.18

Finding the Fourth Proportional to 785,475.63, 1,084,079.50 and 463,221.18

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Solution

The fourth proportional to 785,475.63, 1,084,079.50 and 463,221.18 is: 639,317.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,475.63 : 1,084,079.50 = 463,221.18 : x
  2. Step 2: Convert to fraction form
    785,475.63/1,084,079.50 = 463,221.18/x
  3. Step 3: Cross multiply
    785,475.63x = 1,084,079.50 × 463,221.18
  4. Step 4: Simplify right side
    785,475.63x = 502,168,584,045.76
  5. Step 5: Solve for x
    x = 502,168,584,045.76/785,475.63
  6. Step 6: Final answer
    x = 639,317.84

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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.