Home / 585,031.60-877,547.40-319,311.10

Finding the Fourth Proportional to 585,031.60, 877,547.40 and 319,311.10

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Solution

The fourth proportional to 585,031.60, 877,547.40 and 319,311.10 is: 478,966.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,031.60 : 877,547.40 = 319,311.10 : x
  2. Step 2: Convert to fraction form
    585,031.60/877,547.40 = 319,311.10/x
  3. Step 3: Cross multiply
    585,031.60x = 877,547.40 × 319,311.10
  4. Step 4: Simplify right side
    585,031.60x = 280,210,625,596.14
  5. Step 5: Solve for x
    x = 280,210,625,596.14/585,031.60
  6. Step 6: Final answer
    x = 478,966.65

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Similar ratio
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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.