Home / 977,342.40-1,464,944.40-345,931.20

Finding the Fourth Proportional to 977,342.40, 1,464,944.40 and 345,931.20

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Solution

The fourth proportional to 977,342.40, 1,464,944.40 and 345,931.20 is: 518,518.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,342.40 : 1,464,944.40 = 345,931.20 : x
  2. Step 2: Convert to fraction form
    977,342.40/1,464,944.40 = 345,931.20/x
  3. Step 3: Cross multiply
    977,342.40x = 1,464,944.40 × 345,931.20
  4. Step 4: Simplify right side
    977,342.40x = 506,769,974,225.28
  5. Step 5: Solve for x
    x = 506,769,974,225.28/977,342.40
  6. Step 6: Final answer
    x = 518,518.36

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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.