Home / 807,210.42-1,113,698.88-458,293.74

Finding the Fourth Proportional to 807,210.42, 1,113,698.88 and 458,293.74

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Solution

The fourth proportional to 807,210.42, 1,113,698.88 and 458,293.74 is: 632,302.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,210.42 : 1,113,698.88 = 458,293.74 : x
  2. Step 2: Convert to fraction form
    807,210.42/1,113,698.88 = 458,293.74/x
  3. Step 3: Cross multiply
    807,210.42x = 1,113,698.88 × 458,293.74
  4. Step 4: Simplify right side
    807,210.42x = 510,401,224,949.01
  5. Step 5: Solve for x
    x = 510,401,224,949.01/807,210.42
  6. Step 6: Final answer
    x = 632,302.57

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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.