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Finding the Fourth Proportional to 456,686.71, 630,228.85 and 252,751.69

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Solution

The fourth proportional to 456,686.71, 630,228.85 and 252,751.69 is: 348,798.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,686.71 : 630,228.85 = 252,751.69 : x
  2. Step 2: Convert to fraction form
    456,686.71/630,228.85 = 252,751.69/x
  3. Step 3: Cross multiply
    456,686.71x = 630,228.85 × 252,751.69
  4. Step 4: Simplify right side
    456,686.71x = 159,291,408,501.89
  5. Step 5: Solve for x
    x = 159,291,408,501.89/456,686.71
  6. Step 6: Final answer
    x = 348,798.00

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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.