Home / 549,631.16-758,482.14-307,912.17

Finding the Fourth Proportional to 549,631.16, 758,482.14 and 307,912.17

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Solution

The fourth proportional to 549,631.16, 758,482.14 and 307,912.17 is: 424,913.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,631.16 : 758,482.14 = 307,912.17 : x
  2. Step 2: Convert to fraction form
    549,631.16/758,482.14 = 307,912.17/x
  3. Step 3: Cross multiply
    549,631.16x = 758,482.14 × 307,912.17
  4. Step 4: Simplify right side
    549,631.16x = 233,545,881,633.64
  5. Step 5: Solve for x
    x = 233,545,881,633.64/549,631.16
  6. Step 6: Final answer
    x = 424,913.83

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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.