Home / 692,003.80-1,038,005.70-630,002.35

Finding the Fourth Proportional to 692,003.80, 1,038,005.70 and 630,002.35

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Solution

The fourth proportional to 692,003.80, 1,038,005.70 and 630,002.35 is: 945,003.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,003.80 : 1,038,005.70 = 630,002.35 : x
  2. Step 2: Convert to fraction form
    692,003.80/1,038,005.70 = 630,002.35/x
  3. Step 3: Cross multiply
    692,003.80x = 1,038,005.70 × 630,002.35
  4. Step 4: Simplify right side
    692,003.80x = 653,946,030,313.40
  5. Step 5: Solve for x
    x = 653,946,030,313.40/692,003.80
  6. Step 6: Final answer
    x = 945,003.53

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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.