Home / 920,788.64-1,270,623.00-507,307.35

Finding the Fourth Proportional to 920,788.64, 1,270,623.00 and 507,307.35

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Solution

The fourth proportional to 920,788.64, 1,270,623.00 and 507,307.35 is: 700,048.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,788.64 : 1,270,623.00 = 507,307.35 : x
  2. Step 2: Convert to fraction form
    920,788.64/1,270,623.00 = 507,307.35/x
  3. Step 3: Cross multiply
    920,788.64x = 1,270,623.00 × 507,307.35
  4. Step 4: Simplify right side
    920,788.64x = 644,596,393,646.29
  5. Step 5: Solve for x
    x = 644,596,393,646.29/920,788.64
  6. Step 6: Final answer
    x = 700,048.16

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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.