Home / 698,666.84-1,048,221.68-249,377.76

Finding the Fourth Proportional to 698,666.84, 1,048,221.68 and 249,377.76

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Solution

The fourth proportional to 698,666.84, 1,048,221.68 and 249,377.76 is: 374,145.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,666.84 : 1,048,221.68 = 249,377.76 : x
  2. Step 2: Convert to fraction form
    698,666.84/1,048,221.68 = 249,377.76/x
  3. Step 3: Cross multiply
    698,666.84x = 1,048,221.68 × 249,377.76
  4. Step 4: Simplify right side
    698,666.84x = 261,403,174,541.84
  5. Step 5: Solve for x
    x = 261,403,174,541.84/698,666.84
  6. Step 6: Final answer
    x = 374,145.67

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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.