Home / 776,510.32-1,071,582.08-436,978.60

Finding the Fourth Proportional to 776,510.32, 1,071,582.08 and 436,978.60

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Solution

The fourth proportional to 776,510.32, 1,071,582.08 and 436,978.60 is: 603,029.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,510.32 : 1,071,582.08 = 436,978.60 : x
  2. Step 2: Convert to fraction form
    776,510.32/1,071,582.08 = 436,978.60/x
  3. Step 3: Cross multiply
    776,510.32x = 1,071,582.08 × 436,978.60
  4. Step 4: Simplify right side
    776,510.32x = 468,258,437,103.49
  5. Step 5: Solve for x
    x = 468,258,437,103.49/776,510.32
  6. Step 6: Final answer
    x = 603,029.25

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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.