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Finding the Fourth Proportional to 440,356.48, 607,800.72 and 249,482.32

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Solution

The fourth proportional to 440,356.48, 607,800.72 and 249,482.32 is: 344,347.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,356.48 : 607,800.72 = 249,482.32 : x
  2. Step 2: Convert to fraction form
    440,356.48/607,800.72 = 249,482.32/x
  3. Step 3: Cross multiply
    440,356.48x = 607,800.72 × 249,482.32
  4. Step 4: Simplify right side
    440,356.48x = 151,635,533,723.27
  5. Step 5: Solve for x
    x = 151,635,533,723.27/440,356.48
  6. Step 6: Final answer
    x = 344,347.23

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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.