Home / 478,430.84-660,210.04-263,566.20

Finding the Fourth Proportional to 478,430.84, 660,210.04 and 263,566.20

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Solution

The fourth proportional to 478,430.84, 660,210.04 and 263,566.20 is: 363,707.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,430.84 : 660,210.04 = 263,566.20 : x
  2. Step 2: Convert to fraction form
    478,430.84/660,210.04 = 263,566.20/x
  3. Step 3: Cross multiply
    478,430.84x = 660,210.04 × 263,566.20
  4. Step 4: Simplify right side
    478,430.84x = 174,009,051,444.65
  5. Step 5: Solve for x
    x = 174,009,051,444.65/478,430.84
  6. Step 6: Final answer
    x = 363,707.85

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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.