Home / 807,622.35-1,210,700.29-402,938.33

Finding the Fourth Proportional to 807,622.35, 1,210,700.29 and 402,938.33

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Solution

The fourth proportional to 807,622.35, 1,210,700.29 and 402,938.33 is: 604,041.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,622.35 : 1,210,700.29 = 402,938.33 : x
  2. Step 2: Convert to fraction form
    807,622.35/1,210,700.29 = 402,938.33/x
  3. Step 3: Cross multiply
    807,622.35x = 1,210,700.29 × 402,938.33
  4. Step 4: Simplify right side
    807,622.35x = 487,837,549,706.89
  5. Step 5: Solve for x
    x = 487,837,549,706.89/807,622.35
  6. Step 6: Final answer
    x = 604,041.67

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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.