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Finding the Fourth Proportional to 700,369.40, 1,050,554.10 and 201,783.80

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Solution

The fourth proportional to 700,369.40, 1,050,554.10 and 201,783.80 is: 302,675.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,369.40 : 1,050,554.10 = 201,783.80 : x
  2. Step 2: Convert to fraction form
    700,369.40/1,050,554.10 = 201,783.80/x
  3. Step 3: Cross multiply
    700,369.40x = 1,050,554.10 × 201,783.80
  4. Step 4: Simplify right side
    700,369.40x = 211,984,798,403.58
  5. Step 5: Solve for x
    x = 211,984,798,403.58/700,369.40
  6. Step 6: Final answer
    x = 302,675.70

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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.