Home / 760,886.62-1,050,056.56-421,354.88

Finding the Fourth Proportional to 760,886.62, 1,050,056.56 and 421,354.88

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Solution

The fourth proportional to 760,886.62, 1,050,056.56 and 421,354.88 is: 581,488.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,886.62 : 1,050,056.56 = 421,354.88 : x
  2. Step 2: Convert to fraction form
    760,886.62/1,050,056.56 = 421,354.88/x
  3. Step 3: Cross multiply
    760,886.62x = 1,050,056.56 × 421,354.88
  4. Step 4: Simplify right side
    760,886.62x = 442,446,455,832.01
  5. Step 5: Solve for x
    x = 442,446,455,832.01/760,886.62
  6. Step 6: Final answer
    x = 581,488.02

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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.