Home / 438,030.75-604,482.15-247,043.70

Finding the Fourth Proportional to 438,030.75, 604,482.15 and 247,043.70

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Solution

The fourth proportional to 438,030.75, 604,482.15 and 247,043.70 is: 340,920.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,030.75 : 604,482.15 = 247,043.70 : x
  2. Step 2: Convert to fraction form
    438,030.75/604,482.15 = 247,043.70/x
  3. Step 3: Cross multiply
    438,030.75x = 604,482.15 × 247,043.70
  4. Step 4: Simplify right side
    438,030.75x = 149,333,506,919.96
  5. Step 5: Solve for x
    x = 149,333,506,919.96/438,030.75
  6. Step 6: Final answer
    x = 340,920.15

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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.