Home / 971,477.60-1,457,216.40-618,058.40

Finding the Fourth Proportional to 971,477.60, 1,457,216.40 and 618,058.40

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Solution

The fourth proportional to 971,477.60, 1,457,216.40 and 618,058.40 is: 927,087.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,477.60 : 1,457,216.40 = 618,058.40 : x
  2. Step 2: Convert to fraction form
    971,477.60/1,457,216.40 = 618,058.40/x
  3. Step 3: Cross multiply
    971,477.60x = 1,457,216.40 × 618,058.40
  4. Step 4: Simplify right side
    971,477.60x = 900,644,836,637.76
  5. Step 5: Solve for x
    x = 900,644,836,637.76/971,477.60
  6. Step 6: Final answer
    x = 927,087.60

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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.