Home / 760,881.45-1,140,815.64-456,590.46

Finding the Fourth Proportional to 760,881.45, 1,140,815.64 and 456,590.46

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Solution

The fourth proportional to 760,881.45, 1,140,815.64 and 456,590.46 is: 684,581.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,881.45 : 1,140,815.64 = 456,590.46 : x
  2. Step 2: Convert to fraction form
    760,881.45/1,140,815.64 = 456,590.46/x
  3. Step 3: Cross multiply
    760,881.45x = 1,140,815.64 × 456,590.46
  4. Step 4: Simplify right side
    760,881.45x = 520,885,537,842.79
  5. Step 5: Solve for x
    x = 520,885,537,842.79/760,881.45
  6. Step 6: Final answer
    x = 684,581.73

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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.