Home / 977,510.60-1,467,578.10-624,091.40

Finding the Fourth Proportional to 977,510.60, 1,467,578.10 and 624,091.40

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Solution

The fourth proportional to 977,510.60, 1,467,578.10 and 624,091.40 is: 936,974.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,510.60 : 1,467,578.10 = 624,091.40 : x
  2. Step 2: Convert to fraction form
    977,510.60/1,467,578.10 = 624,091.40/x
  3. Step 3: Cross multiply
    977,510.60x = 1,467,578.10 × 624,091.40
  4. Step 4: Simplify right side
    977,510.60x = 915,902,871,038.34
  5. Step 5: Solve for x
    x = 915,902,871,038.34/977,510.60
  6. Step 6: Final answer
    x = 936,974.87

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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.