Home / 875,430.33-1,208,186.87-513,158.67

Finding the Fourth Proportional to 875,430.33, 1,208,186.87 and 513,158.67

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Solution

The fourth proportional to 875,430.33, 1,208,186.87 and 513,158.67 is: 708,213.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,430.33 : 1,208,186.87 = 513,158.67 : x
  2. Step 2: Convert to fraction form
    875,430.33/1,208,186.87 = 513,158.67/x
  3. Step 3: Cross multiply
    875,430.33x = 1,208,186.87 × 513,158.67
  4. Step 4: Simplify right side
    875,430.33x = 619,991,567,320.66
  5. Step 5: Solve for x
    x = 619,991,567,320.66/875,430.33
  6. Step 6: Final answer
    x = 708,213.49

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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.