Home / 939,477.89-1,408,526.72-299,413.36

Finding the Fourth Proportional to 939,477.89, 1,408,526.72 and 299,413.36

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Solution

The fourth proportional to 939,477.89, 1,408,526.72 and 299,413.36 is: 448,900.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,477.89 : 1,408,526.72 = 299,413.36 : x
  2. Step 2: Convert to fraction form
    939,477.89/1,408,526.72 = 299,413.36/x
  3. Step 3: Cross multiply
    939,477.89x = 1,408,526.72 × 299,413.36
  4. Step 4: Simplify right side
    939,477.89x = 421,731,719,271.37
  5. Step 5: Solve for x
    x = 421,731,719,271.37/939,477.89
  6. Step 6: Final answer
    x = 448,900.10

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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.