Home / 457,019.24-630,686.15-253,070.15

Finding the Fourth Proportional to 457,019.24, 630,686.15 and 253,070.15

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Solution

The fourth proportional to 457,019.24, 630,686.15 and 253,070.15 is: 349,236.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,019.24 : 630,686.15 = 253,070.15 : x
  2. Step 2: Convert to fraction form
    457,019.24/630,686.15 = 253,070.15/x
  3. Step 3: Cross multiply
    457,019.24x = 630,686.15 × 253,070.15
  4. Step 4: Simplify right side
    457,019.24x = 159,607,838,583.42
  5. Step 5: Solve for x
    x = 159,607,838,583.42/457,019.24
  6. Step 6: Final answer
    x = 349,236.58

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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.