Home / 637,271.06-879,434.01-346,883.76

Finding the Fourth Proportional to 637,271.06, 879,434.01 and 346,883.76

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Solution

The fourth proportional to 637,271.06, 879,434.01 and 346,883.76 is: 478,699.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,271.06 : 879,434.01 = 346,883.76 : x
  2. Step 2: Convert to fraction form
    637,271.06/879,434.01 = 346,883.76/x
  3. Step 3: Cross multiply
    637,271.06x = 879,434.01 × 346,883.76
  4. Step 4: Simplify right side
    637,271.06x = 305,061,376,060.68
  5. Step 5: Solve for x
    x = 305,061,376,060.68/637,271.06
  6. Step 6: Final answer
    x = 478,699.56

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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.