Home / 730,598.07-1,008,256.47-408,308.15

Finding the Fourth Proportional to 730,598.07, 1,008,256.47 and 408,308.15

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Solution

The fourth proportional to 730,598.07, 1,008,256.47 and 408,308.15 is: 563,482.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,598.07 : 1,008,256.47 = 408,308.15 : x
  2. Step 2: Convert to fraction form
    730,598.07/1,008,256.47 = 408,308.15/x
  3. Step 3: Cross multiply
    730,598.07x = 1,008,256.47 × 408,308.15
  4. Step 4: Simplify right side
    730,598.07x = 411,679,333,991.23
  5. Step 5: Solve for x
    x = 411,679,333,991.23/730,598.07
  6. Step 6: Final answer
    x = 563,482.65

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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.