Home / 730,390.80-1,097,429.40-464,278.80

Finding the Fourth Proportional to 730,390.80, 1,097,429.40 and 464,278.80

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Solution

The fourth proportional to 730,390.80, 1,097,429.40 and 464,278.80 is: 697,589.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,390.80 : 1,097,429.40 = 464,278.80 : x
  2. Step 2: Convert to fraction form
    730,390.80/1,097,429.40 = 464,278.80/x
  3. Step 3: Cross multiply
    730,390.80x = 1,097,429.40 × 464,278.80
  4. Step 4: Simplify right side
    730,390.80x = 509,513,204,916.72
  5. Step 5: Solve for x
    x = 509,513,204,916.72/730,390.80
  6. Step 6: Final answer
    x = 697,589.84

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Double scale
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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.