Home / 709,503.76-1,064,225.88-330,294.16

Finding the Fourth Proportional to 709,503.76, 1,064,225.88 and 330,294.16

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Solution

The fourth proportional to 709,503.76, 1,064,225.88 and 330,294.16 is: 495,427.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,503.76 : 1,064,225.88 = 330,294.16 : x
  2. Step 2: Convert to fraction form
    709,503.76/1,064,225.88 = 330,294.16/x
  3. Step 3: Cross multiply
    709,503.76x = 1,064,225.88 × 330,294.16
  4. Step 4: Simplify right side
    709,503.76x = 351,507,593,084.86
  5. Step 5: Solve for x
    x = 351,507,593,084.86/709,503.76
  6. Step 6: Final answer
    x = 495,427.39

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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.