Home / 948,316.51-1,308,699.50-540,409.63

Finding the Fourth Proportional to 948,316.51, 1,308,699.50 and 540,409.63

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Solution

The fourth proportional to 948,316.51, 1,308,699.50 and 540,409.63 is: 745,778.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,316.51 : 1,308,699.50 = 540,409.63 : x
  2. Step 2: Convert to fraction form
    948,316.51/1,308,699.50 = 540,409.63/x
  3. Step 3: Cross multiply
    948,316.51x = 1,308,699.50 × 540,409.63
  4. Step 4: Simplify right side
    948,316.51x = 707,233,812,576.19
  5. Step 5: Solve for x
    x = 707,233,812,576.19/948,316.51
  6. Step 6: Final answer
    x = 745,778.23

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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.