Home / 908,779.40-1,362,002.70-553,416.20

Finding the Fourth Proportional to 908,779.40, 1,362,002.70 and 553,416.20

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Solution

The fourth proportional to 908,779.40, 1,362,002.70 and 553,416.20 is: 829,414.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,779.40 : 1,362,002.70 = 553,416.20 : x
  2. Step 2: Convert to fraction form
    908,779.40/1,362,002.70 = 553,416.20/x
  3. Step 3: Cross multiply
    908,779.40x = 1,362,002.70 × 553,416.20
  4. Step 4: Simplify right side
    908,779.40x = 753,754,358,623.74
  5. Step 5: Solve for x
    x = 753,754,358,623.74/908,779.40
  6. Step 6: Final answer
    x = 829,414.00

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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.