Home / 708,291.23-977,413.41-385,994.34

Finding the Fourth Proportional to 708,291.23, 977,413.41 and 385,994.34

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Solution

The fourth proportional to 708,291.23, 977,413.41 and 385,994.34 is: 532,656.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,291.23 : 977,413.41 = 385,994.34 : x
  2. Step 2: Convert to fraction form
    708,291.23/977,413.41 = 385,994.34/x
  3. Step 3: Cross multiply
    708,291.23x = 977,413.41 × 385,994.34
  4. Step 4: Simplify right side
    708,291.23x = 377,276,044,100.10
  5. Step 5: Solve for x
    x = 377,276,044,100.10/708,291.23
  6. Step 6: Final answer
    x = 532,656.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.