Home / 730,056.69-1,007,472.27-403,368.66

Finding the Fourth Proportional to 730,056.69, 1,007,472.27 and 403,368.66

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Solution

The fourth proportional to 730,056.69, 1,007,472.27 and 403,368.66 is: 556,645.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,056.69 : 1,007,472.27 = 403,368.66 : x
  2. Step 2: Convert to fraction form
    730,056.69/1,007,472.27 = 403,368.66/x
  3. Step 3: Cross multiply
    730,056.69x = 1,007,472.27 × 403,368.66
  4. Step 4: Simplify right side
    730,056.69x = 406,382,739,537.06
  5. Step 5: Solve for x
    x = 406,382,739,537.06/730,056.69
  6. Step 6: Final answer
    x = 556,645.46

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.