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Finding the Fourth Proportional to 604,804.30, 907,315.80 and 304,529.20

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Solution

The fourth proportional to 604,804.30, 907,315.80 and 304,529.20 is: 456,848.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,804.30 : 907,315.80 = 304,529.20 : x
  2. Step 2: Convert to fraction form
    604,804.30/907,315.80 = 304,529.20/x
  3. Step 3: Cross multiply
    604,804.30x = 907,315.80 × 304,529.20
  4. Step 4: Simplify right side
    604,804.30x = 276,304,154,721.36
  5. Step 5: Solve for x
    x = 276,304,154,721.36/604,804.30
  6. Step 6: Final answer
    x = 456,848.86

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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.