Home / 906,307.40-1,359,417.90-307,209.80

Finding the Fourth Proportional to 906,307.40, 1,359,417.90 and 307,209.80

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Solution

The fourth proportional to 906,307.40, 1,359,417.90 and 307,209.80 is: 460,800.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,307.40 : 1,359,417.90 = 307,209.80 : x
  2. Step 2: Convert to fraction form
    906,307.40/1,359,417.90 = 307,209.80/x
  3. Step 3: Cross multiply
    906,307.40x = 1,359,417.90 × 307,209.80
  4. Step 4: Simplify right side
    906,307.40x = 417,626,501,175.42
  5. Step 5: Solve for x
    x = 417,626,501,175.42/906,307.40
  6. Step 6: Final answer
    x = 460,800.06

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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.