Home / 756,430.40-1,133,114.70-471,245.60

Finding the Fourth Proportional to 756,430.40, 1,133,114.70 and 471,245.60

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Solution

The fourth proportional to 756,430.40, 1,133,114.70 and 471,245.60 is: 705,914.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,430.40 : 1,133,114.70 = 471,245.60 : x
  2. Step 2: Convert to fraction form
    756,430.40/1,133,114.70 = 471,245.60/x
  3. Step 3: Cross multiply
    756,430.40x = 1,133,114.70 × 471,245.60
  4. Step 4: Simplify right side
    756,430.40x = 533,975,316,670.32
  5. Step 5: Solve for x
    x = 533,975,316,670.32/756,430.40
  6. Step 6: Final answer
    x = 705,914.67

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Double scale
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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.