Home / 879,666.90-1,318,909.05-346,913.70

Finding the Fourth Proportional to 879,666.90, 1,318,909.05 and 346,913.70

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Solution

The fourth proportional to 879,666.90, 1,318,909.05 and 346,913.70 is: 520,137.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,666.90 : 1,318,909.05 = 346,913.70 : x
  2. Step 2: Convert to fraction form
    879,666.90/1,318,909.05 = 346,913.70/x
  3. Step 3: Cross multiply
    879,666.90x = 1,318,909.05 × 346,913.70
  4. Step 4: Simplify right side
    879,666.90x = 457,547,618,498.99
  5. Step 5: Solve for x
    x = 457,547,618,498.99/879,666.90
  6. Step 6: Final answer
    x = 520,137.36

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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.