Home / 651,622.40-977,433.60-604,383.20

Finding the Fourth Proportional to 651,622.40, 977,433.60 and 604,383.20

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Solution

The fourth proportional to 651,622.40, 977,433.60 and 604,383.20 is: 906,574.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,622.40 : 977,433.60 = 604,383.20 : x
  2. Step 2: Convert to fraction form
    651,622.40/977,433.60 = 604,383.20/x
  3. Step 3: Cross multiply
    651,622.40x = 977,433.60 × 604,383.20
  4. Step 4: Simplify right side
    651,622.40x = 590,744,446,955.52
  5. Step 5: Solve for x
    x = 590,744,446,955.52/651,622.40
  6. Step 6: Final answer
    x = 906,574.80

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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.