Home / 630,977.04-870,741.72-344,496.24

Finding the Fourth Proportional to 630,977.04, 870,741.72 and 344,496.24

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Solution

The fourth proportional to 630,977.04, 870,741.72 and 344,496.24 is: 475,401.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,977.04 : 870,741.72 = 344,496.24 : x
  2. Step 2: Convert to fraction form
    630,977.04/870,741.72 = 344,496.24/x
  3. Step 3: Cross multiply
    630,977.04x = 870,741.72 × 344,496.24
  4. Step 4: Simplify right side
    630,977.04x = 299,967,248,551.13
  5. Step 5: Solve for x
    x = 299,967,248,551.13/630,977.04
  6. Step 6: Final answer
    x = 475,401.21

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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.