Home / 688,437.61-1,033,060.94-289,047.67

Finding the Fourth Proportional to 688,437.61, 1,033,060.94 and 289,047.67

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Solution

The fourth proportional to 688,437.61, 1,033,060.94 and 289,047.67 is: 433,741.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,437.61 : 1,033,060.94 = 289,047.67 : x
  2. Step 2: Convert to fraction form
    688,437.61/1,033,060.94 = 289,047.67/x
  3. Step 3: Cross multiply
    688,437.61x = 1,033,060.94 × 289,047.67
  4. Step 4: Simplify right side
    688,437.61x = 298,603,857,675.01
  5. Step 5: Solve for x
    x = 298,603,857,675.01/688,437.61
  6. Step 6: Final answer
    x = 433,741.35

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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.