Home / 513,810.36-709,036.50-284,346.18

Finding the Fourth Proportional to 513,810.36, 709,036.50 and 284,346.18

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Solution

The fourth proportional to 513,810.36, 709,036.50 and 284,346.18 is: 392,385.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,810.36 : 709,036.50 = 284,346.18 : x
  2. Step 2: Convert to fraction form
    513,810.36/709,036.50 = 284,346.18/x
  3. Step 3: Cross multiply
    513,810.36x = 709,036.50 × 284,346.18
  4. Step 4: Simplify right side
    513,810.36x = 201,611,820,255.57
  5. Step 5: Solve for x
    x = 201,611,820,255.57/513,810.36
  6. Step 6: Final answer
    x = 392,385.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.