Home / 896,302.80-1,346,009.40-476,398.80

Finding the Fourth Proportional to 896,302.80, 1,346,009.40 and 476,398.80

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Solution

The fourth proportional to 896,302.80, 1,346,009.40 and 476,398.80 is: 715,424.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,302.80 : 1,346,009.40 = 476,398.80 : x
  2. Step 2: Convert to fraction form
    896,302.80/1,346,009.40 = 476,398.80/x
  3. Step 3: Cross multiply
    896,302.80x = 1,346,009.40 × 476,398.80
  4. Step 4: Simplify right side
    896,302.80x = 641,237,262,948.72
  5. Step 5: Solve for x
    x = 641,237,262,948.72/896,302.80
  6. Step 6: Final answer
    x = 715,424.81

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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.