Home / 899,303.10-1,348,738.65-519,402.30

Finding the Fourth Proportional to 899,303.10, 1,348,738.65 and 519,402.30

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Solution

The fourth proportional to 899,303.10, 1,348,738.65 and 519,402.30 is: 778,978.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,303.10 : 1,348,738.65 = 519,402.30 : x
  2. Step 2: Convert to fraction form
    899,303.10/1,348,738.65 = 519,402.30/x
  3. Step 3: Cross multiply
    899,303.10x = 1,348,738.65 × 519,402.30
  4. Step 4: Simplify right side
    899,303.10x = 700,537,956,908.90
  5. Step 5: Solve for x
    x = 700,537,956,908.90/899,303.10
  6. Step 6: Final answer
    x = 778,978.70

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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.