Home / 805,312.90-1,208,115.15-404,946.10

Finding the Fourth Proportional to 805,312.90, 1,208,115.15 and 404,946.10

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Solution

The fourth proportional to 805,312.90, 1,208,115.15 and 404,946.10 is: 607,492.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,312.90 : 1,208,115.15 = 404,946.10 : x
  2. Step 2: Convert to fraction form
    805,312.90/1,208,115.15 = 404,946.10/x
  3. Step 3: Cross multiply
    805,312.90x = 1,208,115.15 × 404,946.10
  4. Step 4: Simplify right side
    805,312.90x = 489,221,518,343.42
  5. Step 5: Solve for x
    x = 489,221,518,343.42/805,312.90
  6. Step 6: Final answer
    x = 607,492.46

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Double scale
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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.