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Finding the Fourth Proportional to 604,430.40, 906,386.40 and 304,795.20

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Solution

The fourth proportional to 604,430.40, 906,386.40 and 304,795.20 is: 457,062.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,430.40 : 906,386.40 = 304,795.20 : x
  2. Step 2: Convert to fraction form
    604,430.40/906,386.40 = 304,795.20/x
  3. Step 3: Cross multiply
    604,430.40x = 906,386.40 × 304,795.20
  4. Step 4: Simplify right side
    604,430.40x = 276,262,224,065.28
  5. Step 5: Solve for x
    x = 276,262,224,065.28/604,430.40
  6. Step 6: Final answer
    x = 457,062.09

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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.