Home / 903,383.60-1,355,075.40-370,630.40

Finding the Fourth Proportional to 903,383.60, 1,355,075.40 and 370,630.40

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Solution

The fourth proportional to 903,383.60, 1,355,075.40 and 370,630.40 is: 555,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,383.60 : 1,355,075.40 = 370,630.40 : x
  2. Step 2: Convert to fraction form
    903,383.60/1,355,075.40 = 370,630.40/x
  3. Step 3: Cross multiply
    903,383.60x = 1,355,075.40 × 370,630.40
  4. Step 4: Simplify right side
    903,383.60x = 502,232,137,532.16
  5. Step 5: Solve for x
    x = 502,232,137,532.16/903,383.60
  6. Step 6: Final answer
    x = 555,945.60

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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.