Home / 958,863.60-1,437,299.10-390,000.60

Finding the Fourth Proportional to 958,863.60, 1,437,299.10 and 390,000.60

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Solution

The fourth proportional to 958,863.60, 1,437,299.10 and 390,000.60 is: 584,595.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,863.60 : 1,437,299.10 = 390,000.60 : x
  2. Step 2: Convert to fraction form
    958,863.60/1,437,299.10 = 390,000.60/x
  3. Step 3: Cross multiply
    958,863.60x = 1,437,299.10 × 390,000.60
  4. Step 4: Simplify right side
    958,863.60x = 560,547,511,379.46
  5. Step 5: Solve for x
    x = 560,547,511,379.46/958,863.60
  6. Step 6: Final answer
    x = 584,595.67

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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.