Home / 346,729.90-520,094.85-287,632.30

Finding the Fourth Proportional to 346,729.90, 520,094.85 and 287,632.30

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Solution

The fourth proportional to 346,729.90, 520,094.85 and 287,632.30 is: 431,448.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,729.90 : 520,094.85 = 287,632.30 : x
  2. Step 2: Convert to fraction form
    346,729.90/520,094.85 = 287,632.30/x
  3. Step 3: Cross multiply
    346,729.90x = 520,094.85 × 287,632.30
  4. Step 4: Simplify right side
    346,729.90x = 149,596,077,923.66
  5. Step 5: Solve for x
    x = 149,596,077,923.66/346,729.90
  6. Step 6: Final answer
    x = 431,448.45

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1.5x scale

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.