Home / 948,210.08-1,308,277.74-540,303.20

Finding the Fourth Proportional to 948,210.08, 1,308,277.74 and 540,303.20

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Solution

The fourth proportional to 948,210.08, 1,308,277.74 and 540,303.20 is: 745,474.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,210.08 : 1,308,277.74 = 540,303.20 : x
  2. Step 2: Convert to fraction form
    948,210.08/1,308,277.74 = 540,303.20/x
  3. Step 3: Cross multiply
    948,210.08x = 1,308,277.74 × 540,303.20
  4. Step 4: Simplify right side
    948,210.08x = 706,866,649,410.77
  5. Step 5: Solve for x
    x = 706,866,649,410.77/948,210.08
  6. Step 6: Final answer
    x = 745,474.73

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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.